Entries |
Document | Title | Date |
20080249426 | Palm type electrocardiograph - The present invention provides a palm type electrocardiograph having a case, in which a push button is provided at the front side thereof, a USB port is installed along a lateral side thereof, and two metal holes are assembled at the back thereof. A conductive sticker is also designed with two metal electrodes being penetrately assembled in the center thereon. The conductive sticker has three layers, the first layer is foam, the second layer is conductive graphite, and the third layer is conductive adhesive. An internal circuit is provided in the palm type electrocardiograph, including a microprocessor, an A/D converter, a program memory and a flash memory. | 10-09-2008 |
20080255465 | Heart-function information display including color-range scalogram content - A method employing electronic processing for presenting a heart-function informational display including the steps of (a) gathering, over a selected time interval, a person's ECG and heart-sound signals, (b) electronically sampling and digitizing such gathered signals, and (c) electronically processing those signals to create a scalogram wherein colors which lie within a selected range of colors are employed to indicate energy-based content reflected in the signals. | 10-16-2008 |
20080262367 | GENERAL DIAGNOSTIC AND REAL-TIME APPLICATIONS OF DISCRETE HERMITE FUNCTIONS TO DIGITAL DATA - The present invention relates to general diagnostic and real-time applications of discrete Hermite functions to digital data. More specifically, the invention relates to methods and systems for the application of dilated discrete digital Hermite functions (DDHF) to biomedical data, for example, to extract features from digital signals, including but not limited to, ECGs, EMGs, EOGs, EEGs, and others, by expanding the measured signals using a computationally efficient technique. These digital Hermite functions form the basis for the new discrete Hermite transform, generated on a beat by beat basis, which provides information about the shape of the signals, such as that in the BCG artifact in an EEG or in an ECG interval, or any noise in any other electrical signal. An automated system and method for real-time interpretation of any abnormalities present in a digital biomedical signal is provided. | 10-23-2008 |
20080269628 | Denoising and Artifact Rejection for Cardiac Signal in a Sensis System - A method and apparatus for denoising and rejecting artifacts from cardiac signals, having the steps of accepting a cardiac signal from a patient, subjecting the cardiac signal from the patient to a frequency band width controllable choke to separate the cardiac signal into predefined frequencies, filtering each of the predefined frequencies to remove dynamic common noise, joining each of the predefined frequencies into a cardiac signal without the dynamic common noise, and providing a feedback control to the filtering of each of the predefined frequencies. | 10-30-2008 |
20080281217 | APPARATUS AND METHOD FOR WIRELESSLY TRANSFERRING AND STORING MEDICAL DATA - A medical diagnostic/monitoring system is disclosed herein. The medical diagnostic/monitoring system includes a data acquisition device having a first near field communication device, and a data storage device wirelessly connected to the data acquisition device. The data storage device includes a second near field communication device. The first near field communication device and the second near field communication device are collectively configured to wirelessly transfer power and data from the data acquisition device to the data storage device. | 11-13-2008 |
20080281218 | System and Method for Selecting End of Diastole and End of Systole Frames - A method and apparatus for automatically selecting an end of diastole image frame and an end of systole image frame for cardiac analysis. In the method and apparatus, a plurality of image frames of a heart having a contrast medium injected into the heart and an electrocardiogram (ECG) curve of the heart are obtained. Candidate image frames are identified in the plurality of image frames that correspond to a first predetermined point on the ECG curve of the heart associated with the end of diastole. An end of diastole image frame is selected from the candidate image frames. An end of systole image frame is then identified and selected from the remaining one of the plurality of image frames. | 11-13-2008 |
20090024045 | MECHANICAL FUNCTION MARKER CHANNEL FOR CARDIAC MONITORING AND THERAPY CONTROL - The implantable medical device (IMD) system disclosed here utilizes one or more cardiac sensors that measure mechanical characteristics of the heart, such as left ventricular acceleration or right ventricular pressure. The raw sensor data is collected and processed by the IMD, which derives one or more mechanical event marker signals from features, traits, and characteristics of the sensor data waveforms. The mechanical event marker signals are wirelessly transmitted to an external monitor device for display. | 01-22-2009 |
20090048529 | SYSTEMS AND METHODS FOR MANAGING HEART RATE DEPENDENT CONDITIONS - Systems and methods are provided for monitoring a cardiac condition of a patient. The system includes a sensor for receiving a patient's heart rate and a processor that is programmable to set a patient's safe heart rate zone. The processor is also configured to determine whether the patient's heart rate has exceeded the safe heart rate zone. In response to determining that the patient's heart rate has exceeded the safe heart rate zone, the processor may reprogram a new safe heart rate zone. | 02-19-2009 |
20090069704 | RAPID 3D MAPPING USING MULTIELECTRODE POSITION DATA - An electrophysiology (EP) system includes an interface for operator-interaction with the results of code executing therein. A template model can have channels positioned or repositioned thereupon by the user to define a set-up useful in rapid catheter positioning. Mapping operations can be performed without the requirement for precise catheter location determinations. A map module coordinates EP data associated with each selected channel and its associated position on the template model to provide this result, and can update the resulting map in the event that the channel or location is changed. Messaging and other dynamic features enable synchronized presentation of a myriad of EP data. Additional systems and methods are disclosed herein. | 03-12-2009 |
20090082685 | METHOD OF REDUCING STRESS - A method of enabling a person to reduce tension as a way of improving the possibility that the person will reach a desired level of performance during a tension-causing event includes the steps of selecting a monitor capable of measuring the heart rate of a person and including a display constructed to show heart-rate variability (HRV), and connecting a person to the monitor. The method also includes allowing the person to view the display of their own HRV while connected to the monitor, communicating to the person a desired range of HRV and an undesired range of HRV, and teaching the person how to breath to reach the desired range of HRV and to verify that the person reached the desired range of HRV by viewing the display. In addition, the method includes directing the person to think of a tension-causing event; and repeating the teaching step until the person reaches the desired range of HRV while thinking of the tension-causing event. The method could also include the steps of selecting a monitor that is portable, directing the person to perform a tension-causing event, and repeating the teaching step until the person reaches the desired range of HRV while performing the tension-causing event. | 03-26-2009 |
20090088655 | METHOD AND APPARATUS FOR QUANTITATIVE ASSESSMENT OF CARDIAC ELECTRICAL EVENTS - Method and apparatus for computer enabled analysis of ECG (electro cardiographic) data by exploiting computerized three-dimensional spatial presentation of the measured data using vectors. A three-dimensional presentation of the human heart may be correlated with waveforms specific for standard ECG or derived ECG signals based on the dipole approximation of the heart electrical activity. Additional tools for analyzing ECG data are also provided which may be used to determine the time of cardiac electrical events, to select specific beats for automated cardiac interval determination, and to flag ECGs that have been evaluated by automated means but may benefit by human reading. | 04-02-2009 |
20090099469 | Wireless ECG/EKG patient telemetry monitoring system - An ECG/EKG patient telemetry monitoring system is disclosed, the system configured for monitoring the cardiac activity of a patient. The wireless ECG patient telemetry monitoring system includes a plurality of self-contained wireless electrodes adapted to adhesively secure to the skin of the torso of the patient and to measure electric potential on the skin as related to electrical activity of the heart. ECG signals from the electrodes are wirelessly communicated to a central monitor, which provides graphical ECG voltage potential versus time plots for a technician, nurse, or physician. | 04-16-2009 |
20090112112 | FOLDER-TYPE PORTABLE ELECTROCARDIOGRAM MONITOR - A portable electrocardiogram monitor includes: an upper housing and a lower housing coupled to each other via a hinge; and a positive electrode formed on lateral sides of the upper and lower housings, which are disposed opposite sides centering on the hinge. | 04-30-2009 |
20090124915 | SYSTEM FOR RELOCATING CATHETER-SUPPORTED ELECTRODES ON SEGMENTED MODEL - Guidance to an operator to more accurately position electrodes upon a segmented heart model (SGM). The SGM is included in a map panel on a display screen. A catheter advanced into a beating heart supports one or more electrodes. During a single beat of the heart, an image is obtained with darkened portions corresponding to locations of the electrodes. The image is presented in the same map panel as the SGM. The current location of the electrodes is confirmed relative to the SGM, either manually or through automated software algorithms. EP data is captured that represents electrophysiological signals of the beating heart at the current location for each of the electrodes. A signal processing algorithm is applied to the captured EP data in view of the confirmed current location of the electrodes to result in a calculation that is mapped at the confirmed location of the electrodes. | 05-14-2009 |
20090143693 | METHOD AND APPARATUS FOR GENERATING DETERMINATION INDEXES FOR IDENTIFYING ECG INTERFERING SIGNALS - A method for generating determination indexes for identifying ECG interfering signals includes acquiring ECG signals to obtain a sequence of data values representing original ECG signals; dividing the sequence of data values acquired during a period of time into groups and collecting all the minimum data values in their respective groups on a statistical basis; determining the minimum and the maximum data values in a minimum set made up of all the minimum data values in their respective groups; and using the difference between the minimum and the maximum data values as a first baseline drift determination index to identify at least one of low frequency interference and irregular interference | 06-04-2009 |
20090149768 | Method for monitoring a person being examined - The invention relates to a method for recording image data of a person being examined in medical diagnostic equipment, comprising the following steps: recording measurement data to create image data; recording at least one of the two variables: heart activity and breathing activity of the person being examined, during recording of the measurement data; automatic analysis of the recorded activity characteristic by comparison with a predetermined activity characteristic; and informing an operator of the medical diagnostic equipment if the analyzed activity characteristic does not match the predetermined activity characteristic. | 06-11-2009 |
20090171229 | Swimmer's Starter Platform with Heart Rate Monitor - Some embodiments of the invention provide a swimmer's starter platform including a heart rate monitor. The heart rate monitor can include electrodes to acquire heart rate data and a transmitter. The starter platform can include a detachable display including a receiver. The detachable display can wirelessly receive the heart rate data and display the heart rate data whether coupled or detached from the starter platform. The starter platform can include a top platform, backstroke handlebars, and electrode handlebars. The electrode handlebars can include electrodes to acquire heart rate data. The electrode handlebars can be positioned with respect to the top platform and the backstroke handlebars to acquire the heart rate data while the swimmer is in the pool. | 07-02-2009 |
20090171230 | SYSTEM AND METHOD FOR ANALYZING WAVES OF ELECTROCARDIOGRAM - Electrocardiogram wave data in which a component of cardiac massage is removed from the electrocardiogram wave data is generated, so that the electrocardiogram wave at the time of cardiopulmonary resuscitation is identified. An electrocardiogram wave processing system of obtaining and processing the electrocardiogram wave data includes a wave identification unit that identifies an electrocardiogram wave from the obtained electrocardiogram wave data, a feature selection unit that selects a feature pattern including a feature when a cardiac massage has been performed with respect to the electrocardiogram wave data identified by the wave identification unit, a generation unit that generates a component of the cardiac massage using the feature pattern selected by the feature selection unit, and a removal unit that removes, from the obtained electrocardiogram wave data, the component of the cardiac massage generated by the generation unit. | 07-02-2009 |
20090177106 | METHOD AND APPARATUS FOR DISCERNING THERAPEUTIC SIGNALS FROM NOISE IN PHYSIOLOGICAL DATA - A data acquisition module for use in monitoring a plurality of physiological signals is disclosed herein. The data acquisition module may include a first signal processing path for biopotential data, a second signal processing path for therapeutic event data, and a processing unit that receives and processes the data from the first and second signal processing paths. The data acquisition module may further compare identified likely therapeutic events in each of a plurality of psychological signals. A method of identifying an electronic therapeutic event from a physiological signal is also disclosed herein the method may include steps of obtaining a plurality of psychological signals, removing any biopotential data from the physiological signals, using a first technique to identify likely therapeutic event data, comparing the identified likely therapeutic event data from each of the plurality of physiological signals and refining the identification of likely therapeutic events based on the comparison between each of the plurality of physiological signals. | 07-09-2009 |
20090192400 | BIOLOGICAL INFORMATION DISPLAY METHOD AND BIOLOGICAL INFORMATION DISPLAY APPARATUS - A method of displaying a plurality of ST values constituting biological information of a subject displayed on a screen, includes: defining color gradations corresponding to degrees of the plurality of ST values to be acquired; acquiring the plurality of ST values from the subject; determining display elements for the acquired plurality of ST values in accordance with the defined color gradations; and displaying the determined display elements along a time axis in a belt-like form on the screen, for each of the plurality of ST values. | 07-30-2009 |
20090259134 | Symptom recording patient interface system for a portable heart monitor - A patient interface device contemporaneously records patient symptoms with an automated recording of heart rhythm data from a portable heart monitor. The patient interface device includes the portable heart monitor and a computer with a user input means to enter symptoms and store them in computer memory. Code means operable on the computer enables entry and recording of the symptoms. Where the portable heart monitor is activated automatically, a signaling means alerts the patient that it has begun recording and that symptoms experienced by the patient should be entered and recorded. Preferably, the electronic record of patient symptoms and the recording of the patient's abnormal heart rhythm event are linked such that they are accessed and used together. | 10-15-2009 |
20090275850 | Electrocardiographic (ECG) Data Analysis Systems and Methods - Computer-implemented methods, computer program products, and systems are disclosed for analyzing electrocardiogram (ECG) traces or other types of signals. In one aspect, a computer-implemented method of performing such an analysis on an ECG trace includes defining a match region within an ECG signal template comprising one cardiac cycle. The match region comprises a portion of the ECG signal template that is shorter than the entire template. The method also includes performing a similarity comparison analysis on an ECG trace. The similarity comparison analysis includes, for at least one cardiac cycle within the ECG trace, a comparison of the defined match region to a corresponding region of the cardiac cycle of the ECG trace to determine a degree of similarity between the defined match region and the corresponding region of the cardiac cycle of the ECG trace. The method also includes producing a results output based upon the similarity comparison analysis. | 11-05-2009 |
20090292217 | IMPEDANCE CARDIOGRAPHY SYSTEM AND METHOD - An improved method and system for measuring and reporting heart valve activity combines information obtained from independent signals with information obtained from ICG signals, such that signals derived from heart valve activity may be used as confirmation that the ICG system is accurately identifying heart valve activity. The method and system of the present invention also provide improved accuracy in reported values such as PEP, LVET, STR, SV, and CO. In addition, the method and system of the present invention provide improved accuracy of graphical representations of heart activity where the graphical representations include identifying heart valve activity. | 11-26-2009 |
20090292218 | ECG ANALYZING DEVICE | 11-26-2009 |
20090299207 | PORTABLE CARDIAC MONITOR INCLUDING RF COMMUNICATION - A system and method for obtaining ECG signals from an ambulatory patient are disclosed herein. The system is configured to be inexpensive, small, and robust for outpatient monitoring. The system is configured to be a low power consuming device. The system provides options for a variety of settings and real-time access to the ECG signals being recorded during the recording period. | 12-03-2009 |
20100016746 | PERSONAL ALERTING DEVICE FOR USE WITH DIAGNOSTIC DEVICE - A personal altering device and method of generating an alert of an event detected by an implanted diagnostic device are provided. The method can include transmitting an event signal to the personal alerting device when one or more of the following occurs: ischemia is detected, a deviation from the baseline waveform is detected, a life-threatening trend begins, or symptoms are indicated. The method can also include generating an alarm signal from the personal alerting device, and the alarm signal can include one or more of a visual message, a light, a vibration, and a sound. In addition, the method can include prompting further action to be taken. | 01-21-2010 |
20100016747 | METHOD FOR PROCESSING CARDIOELECTRIC SIGNALS AND CORRESPONDING DEVICE - Method for processing cardioelectric signals and corresponding device. The method enables processing previously sampled cardioelectric signals so as to filter the T wave, thereby improving the visualization of the P wave. The method comprises the following stages:
| 01-21-2010 |
20100016748 | Motif Discovery in Physiological Datasets: A Methodology for Inferring Predictive Elements - The application relates a methodology and apparatus for identifying predictive patterns for acute clinical events in the absence of prior knowledge. Principles of conservation are used to identify activity that consistently precedes an outcome in patients, and describe a two-stage process that allows us to more efficiently search for such patterns in large datasets. This is achieved by first transforming continuous physiological signals from multiple patients into symbolic sequences, and by then searching for patterns in these reduced representations that are strongly associated with an outcome. | 01-21-2010 |
20100030094 | STATE MACHINE INTERFACE SYSTEM - State machine interface system, heart state machine analyzer and/or stimulator, comprising state machine algorithms and a graphical user interface, adapted to receive signals from a sensor device that are related to physiological activities of the heart and/or the circulatory system of a living being and the state machine algorithms determine states of heart cycles based upon the signals. The determined heart cycle states are graphically presented at the graphical user interface such that the temporal relation between the different states are illustrated. The graphical user interface may be circular diagrams or bar graphs including parts representing the temporal relation between the different states. | 02-04-2010 |
20100042010 | ELECTRICALLY ISOLATED CATHETER WITH WIRELESS SENSORS - A local power-delivery/data-reception unit is installed within an insertion end of a sealed catheter. The local power-delivery/data-reception unit wirelessly powers a separately sealed sensor that is attached to the insertion end and configured for wirelessly sending a data signal to the local power-delivery/data-reception unit. The catheter may further feature a remote power-delivery/data-reception unit disposed within the handle and configured for wirelessly communicating with the local power-delivery/data-reception unit and a controller for controlling the sensor. | 02-18-2010 |
20100081953 | SYSTEM AND METHOD FOR INFERRING DISEASE SIMILARITY BY SHAPE MATCHING OF ECG TIME SERIES - A method for inferring disease similarity by similarity retrieval of electrocardiogram time-series, comprising: acquiring user ECG waveforms correspondingly depicting many cardiac cycles of the heart of many users stored in a database; pre-processing each of the user ECG waveforms through pre-processing steps to isolate sets of single cardiac cycles corresponding to different heart-rates detected for each of the user ECG waveforms, each single cardiac cycle within the many cardiac cycles of the heart of many users corresponds to one single heart-rate detected. acquiring patient ECG waveforms depicting multiple cardiac cycles of the heart of a query patient; pre-processing the patient ECG waveforms through pre-processing steps to isolate sets of single cardiac cycles corresponding to different heart-rates detected for each of the patient ECG waveforms of the query patient, each single cardiac cycle within the multiple cardiac cycles of the heart of the query patient corresponds to one single heart-rate detected. | 04-01-2010 |
20100106036 | ARRYTHMIA ADJUDICATION AND THERAPY TRAINING SYSTEMS AND METHODS - A system and method for presenting arrhythmia episode information to a user are described. An episode database has episode data regarding a plurality of different arrhythmia episodes generated from a plurality of data-generating devices. A user interface is configured to display the episode data for one of the arrhythmia episodes and receive characterization data from the user characterizing the displayed episode data. An adjudication database has adjudication conclusions associated with the arrhythmia episodes in the episode database. The system further includes an adjudication processor, configured to process characterization data relative to the adjudication database. | 04-29-2010 |
20100160806 | METHODOLOGY FOR AUTOMATED SIGNAL MORPHOLOGY ANALYSIS IN IMPLANTABLE ELECTROTHERAPY AND DIAGNOSTIC SYSTEMS - Systems and related methods for analyzing data sensed from a device implanted in a patient, such as a cardiac pacing system. The system detects and evaluates electric signals within the patient that share a common event marker. By using algorithms and graphical presentation of the collected signals having common event markers, deviations in signals over time can be identified and evaluated in consideration of taking further action related to the patient and the implanted device. The system can also be used in conjunction with an advanced patient management system that includes a programmer or repeater capable of gathering information from the implanted device and transmitting the data to a host via a communications network for evaluation at a remote location. | 06-24-2010 |
20100168598 | METHOD AND SYSTEM FOR PROCESSING ELECTROCARDIOGRAMS - In a method and system for processing an electrocardiogram (ECG), digital ECG data are received. The digital ECG data evinces a plurality of a patient's heartbeats detected during an ECG. Digital annotation data are generated representing marking to be shown on an ECG tracing of the plurality of heartbeats. An annotated ECG tracing image is produced using the digital ECG data and the digital annotation data. | 07-01-2010 |
20100179447 | METHODS OF MEASUREMENT OF DRUG INDUCED CHANGES IN CARDIAC ION CHANNEL FUNCTION AND ASSOCIATED APPARATUS - This invention relates to the healthcare industry and to a novel non-invasive body surface bipolar ECG to monitor the action potential (AP) of the myocardium muscle. The invention uses surface ECG signals to deduce information on the cardiac ion channels, founded on the reconstruction of the epicardial ECG T-wave using a single transfer filter function of the frequency domain. Ion channels conductances obtained are then used to calculate action potential EndAP, EpiAP and MAP of the myocardium. These APs values can in turn be used to calculate post drug transmural dispersion of repolarisation values to giving an indication of possible cardiac arrhythmias. The invention further relates to various apparatus for carrying out the invention, including an array of bipolar electrodes which in use is arranged on the body surface so as to comprise multiples of orthogonally bisecting electrodes. | 07-15-2010 |
20100191135 | PEN SHAPED ANALYTICAL APPARATUS OF HEART RATE VARIABILITY - The present invention provides a pen shaped analytical apparatus of heart rate variability having a view to simplifying the analytical process and carrying out automation. The pen shaped analytical apparatus of heart rate variability mainly includes an electrocardiogram signal converter; a micro-controller unit; a feature extraction unit; a decision making unit; a display unit and a switching unit. It is noted that the pen shaped analytical apparatus of heart rate variability further comprises: a plurality of electrodes and a battery. In practice, the pen shaped analytical apparatus of heart rate variability put forth in the present invention is quite time-saving and easy to use, as it prints out a person heart rate variability analytical result and autonomic function data in just five minutes after a plurality of electrodes are pressed simultaneously. | 07-29-2010 |
20100204599 | LOCATING FIDUCIAL POINTS IN A PHYSIOLOGICAL SIGNAL - Systems, devices, methods, and techniques relating to the identification of fiducial points. In one aspect, a machine implemented method includes obtaining a first time varying physiological signal and a second time varying physiological signal that relate to biological activity of an organism, the first time varying physiological signal and the second time varying physiological signal forming an analytic pair wherein the analytic pair has a time varying phase angle, defining a reference line by a lower boundary of a representation of the time varying phase angle with respect to a time period, and identifying a fiducial point based on the reference line. | 08-12-2010 |
20100210961 | SYSTEMS AND METHODS FOR GRAPHIC DISPLAY OF ST-SEGMENT DEVIATION - Systems and methods are provided for monitoring a patient and graphically representing ST-segment deviations. A receiver acquires, from a plurality of leads, electrocardiogram (ECG) signals that each includes an ST-segment. A processor processes the ECG signals to determine baseline and current ST-segment deviations relative to an isoelectric value. A display module displays a graph that includes a first axis representing ST-segment deviation values and a second axis representing the plurality of leads. At each location along the second axis representing a respective lead, the graph displays a first set of graphic indicia representing the baseline ST-segment deviations and a second set of graphic indicia representing the current ST-segment deviations. In certain embodiments, the graphic indicia are represented by bar graphs. In other embodiments, the graphic indicia are represented by symbols that may be connected by line segments. | 08-19-2010 |
20100217143 | TECHNIQUE FOR DETERMINING SIGNAL QUALITY IN A PHYSIOLOGIC SENSING SYSTEM USING HIGH FREQUENCY SAMPLING - A medical device for processing physiological signals such as electrocardiograms. The processing includes: sampling a physiologic signal in a first channel with a first sampling rate, simultaneously sampling the physiologic signal in a second channel with a higher sampling rate to thus generate pairs of sampling values, forming the difference between two sampling values of each pair, comparing said difference with a threshold, and generating a noise detection indicator whenever said threshold is exceeded. | 08-26-2010 |
20100217144 | DIAGNOSTIC AND PREDICTIVE SYSTEM AND METHODOLOGY USING MULTIPLE PARAMETER ELECTROCARDIOGRAPHY SUPERSCORES - A plurality of ECG Superscore formulae, created from multiple parameter ECG measurements including those from advanced ECG techniques, can be optimized using additive multivariate statistical models or pattern recognition procedures, with the results compared against a large database of ECG measurements from individuals with known cardiac conditions and/or previous cardiac events. Superscore formulae utilize multiple ECG parameters and accompanying weighting coefficients and allow data obtained from any given patient to be used in calculating that patient's ECG Superscore results. ECG Superscores have retrospectively optimized accuracy for identifying and screening individuals for underlying heart disease and/or for determining the risk of future cardiac events. They thus have greater predictive value than that of any conventional or advanced ECG measurement alone or of any non-optimized combinations of conventional or advanced ECG measurements that have been used in the past. Ongoing optimization of ECG Superscore diagnostic and predictive accuracy may be realized through the iterative adjustment of Superscore formulae based on the incorporation of data from new patients into the database and/or from longitudinal follow-up of the disease and cardiac event status of existing patients. | 08-26-2010 |
20100274150 | Multi-Electrode Mapping System - In some aspects, a method includes measuring unipolar signals at one or more electrodes in response to electrical activity in a heart cavity. The method also includes determining, based at least in part on Laplace's equation, bipolar physiological information at multiple locations of an surface based on the measured unipolar signals and positions of the one or more electrodes with respect to the surface. | 10-28-2010 |
20100286543 | Automated Cardiac Status Determination System - A system fits a curve to a filtered ECG signal, processes the fitted curve (e.g., by applying transforms such as a KL Transform) and derives parameters for use in classifying heart cycle signal portions (such as an ST segment portion) into particular heart cycle signal portion categories associated with particular segment morphology. A system for heart signal classification includes an interface for receiving an electrical signal waveform comprising an R-wave and including an ST segment portion associated with heart electrical activity of a patient over a heart beat cycle. A signal processor processes data representing the electrical signal waveform by fitting a curve to the ST segment and applying a transform to the fitted curve to derive variance data indicating variance in the fitted curve. A signal classifier classifies the ST segment into one of multiple predetermined categories associated with the fitted ST segment curve geometry in response to the derived variance data. | 11-11-2010 |
20100317985 | SYSTEM FOR QUANTITATIVE ASSESSMENT OF CARDIAC ELECTRICAL EVENTS - Systems and methods for characterizing aspects of an electrocardiogram signal are presented, wherein primary and secondary analysis schemas are utilized to determine the timing of the end of a signal wave, such as a descending Twave, with precision. In one embodiment, the primary analysis schema involves comparing voltage amplitudes within a given sampling window and the secondary analysis schema involves comparing the results of primary analysis for successive sampling windows. The system may comprise a processor or microcontroller embedded into a system such as an electrocardiogram hardware system, personal computer, electrophysiology system, or the like. | 12-16-2010 |
20110021936 | Medical data display with 3-D and 2-D color mapping - A device and method for displaying medical data for a stress test monitoring system. A computer-implemented method and apparatus for displaying electrical impulse data of a human heart for analysis includes receiving cardiac electrical impulse data produced during a cardiac stress test by a plurality of electrode leads adapted for placement on a patient and calculating parameters for a plurality of display windows based on the data and providing a main display in which the plurality of display windows are positioned. A three dimensional color mapping plot is displayed in one of the plurality of display windows and a two dimensional color mapping plot is displayed in another of the plurality of display windows. Additionally, a plot of raw lead data from at least one lead is displayed in one of the plurality of display windows. | 01-27-2011 |
20110021937 | WATERTIGHT CARDIAC MONITORING SYSTEM - An ECG monitoring system for ambulatory patients includes a small multi-electrode patch that adhesively attaches to the chest of a patient. A reusable battery-powered ECG monitor clips onto the patch and receives patient electrical signals from the electrodes of the patch. A processor continuously processes received ECG signals and stores the signals in memory in the monitor. Processed ECG signals and cardiac event information are sent wirelessly to a cellphone handset for relay to a monitoring center. The ECG monitor is contained in a watertight sealed case with only electrical contacts on the outside of the case. The electrical contacts electrically couple the ECG monitor to the electrodes of the patch during patient monitoring and to a charger during recharge of the battery. | 01-27-2011 |
20110054337 | METHOD AND MEDICAL DEVICE FOR REDUCING THE EFFECTS OF INTERFERENCE GENERATED BY A RADIO TRANSMISSION FROM THE MEDICAL DEVICE - A method of processing in a medical device an electric biological signal collected from a patient, includes: a) acquiring a plurality of samples from the electric biological signal according to a sampling process wherein each sample is taken from the electric biological signal and memorized; b) during the sampling process of a), monitoring an active/inactive status of a radio time-division-multiplexing transmission of signals from the medical device over a radio communication network; and, when the status of the radio time-division-multiplexing transmission becomes active, c) preventing in a) the acquisition of any of the plurality of samples, which according to the sampling process should be acquired during the active status of the radio time-division-multiplexing transmission, from being performed until the radio time-division-multiplexing transmission remains in the active status. | 03-03-2011 |
20110105930 | TRUE ECG MEASUREMENT DURING CARDIO PULMONARY RESUSCITATION BY ADAPTIVE PIECEWISE STITCHING ALGORITHM - A method and apparatus utilizing a piecewise stitching adaptive algorithm (PSAA) to filter signal artifacts, such as those induced by cardiopulmonary resuscitation (CPR) from sensed signals in real-time. PSAA is a method of estimating artifact component present in a first signal that is highly correlated with a second signal. The PSAA may utilize autocorrelation and cross-correlation calculations to determine signal sample windows in the first and second signals. The PSAA may estimate a signal artifact in a primary signal segment based on the determined correlations between the primary signal and an artifact signal. The PSAA may remove the estimated signal artifact from the primary signal. In the absence of an artifact signal, PSAA is able to estimate artifacts in the first signal utilizing filters. The PSAA may be implemented in Automated External Defibrillators, Monitor Defibrillators or other devices capable sensing highly correlated signals such as, for example, ECG and CPR signals. | 05-05-2011 |
20110125042 | Method of Presenting Electrocardiographic Data - A system and method of presenting physiological data in a component ring. The method includes receiving a plurality of leads of physiological data. Morphology features are extracted from the plurality of leads. The morphology features are graphed by presenting a component ring associated with each of the morphology features. The system includes at least two sensors configured to collect physiological data. A processor is configured to extract amplitudes of morphology features. A graphical user interface is configured to graphically display the morphology features in a plurality of component rings. | 05-26-2011 |
20110125043 | Device, Method, and Computer-Readable Storage Medium for Detecting Events in Cardiac Signals - The present disclosure generally relates to a method, a device, and a computer-readable storage medium for detecting heart beats from cardiac signals whose quality, expressed in terms of signal amplitude and signal-to-noise ratio, varies dynamically in time. | 05-26-2011 |
20110160606 | SYSTEMS AND METHODS FOR GRAPHIC DISPLAY OF ST-SEGMENT DEVIATION - Systems and methods are provided for monitoring a patient and graphically representing ST-segment deviations. A receiver acquires, from a plurality of leads, electrocardiogram (ECG) signals that each includes an ST-segment. A processor processes the ECG signals to determine baseline and current ST-segment deviations relative to an isoelectric value. A display module displays a graph that includes a first axis representing ST-segment deviation values and a second axis representing the plurality of leads. At each location along the second axis representing a respective lead, the graph displays a first set of graphic indicia representing the baseline ST-segment deviations and a second set of graphic indicia representing the current ST-segment deviations. In certain embodiments, the graphic indicia are represented by bar graphs. In other embodiments, the graphic indicia are represented by symbols that may be connected by line segments. | 06-30-2011 |
20110166469 | ELECTROCARDIOGRAM CHART DEVICE AND METHOD THEREOF - An electrocardiogram (ECG) chart device and method capable of easily assisting with the diagnosis of heart disease. Hexagonal radar charts displayed on a screen act as indicators of feature values corresponding to data obtained from each of 12 electrode leads and correlated with the related portions of the heart. For example, a (V1, V2) lead is an indicator of a right ventricle. Each of the radar charts is schematically arranged to correspond with the related portion of the heart. Each vertex of the hexagonal radar charts acts as an indicator of the recognized value. More specifically, each vertex of the radar chart is based on a value obtained by extracting a waveform critical point, a waveform start point, a waveform end point, or the like, of constituent elements of the ECG waveform as the P wave, the Q wave, the R wave, the S wave, the ST segment, the T wave, or the like. Therefore, a user of the ECG radar chart device can intuitively and easily carry out interpretation of ECG data. | 07-07-2011 |
20110172550 | USPA: SYSTEMS AND METHODS FOR EMS DEVICE COMMUNICATION INTERFACE - A system for supplementing communications capabilities of a patient monitoring device, the system including a card fitting within a device slot and configured to receive patient monitoring information from the device via the interface slot; a memory device hosted by the card and configured to store patient monitoring information; a wireless transceiver hosted by the card; an asset management database hosted by the card; and a processor communicably coupled to the wireless transceiver and the asset management database, the processor configured to format the patient monitoring information into a stream of one or more frames, each of the one or more frames associated with an EMS incident during which the patient monitoring information was gathered, the processor further configured to store the one or more frames to the asset management database and to transmit the stream of one or more frames with the wireless transceiver. | 07-14-2011 |
20110213262 | Method for Presenting Current and Stored ECG Waveforms on a Portable, External Defibrillator - A method of simultaneously presenting current and stored ECG waveform data on a portable, external defibrillator during a rescue. The stored ECG waveform data may also be used in a rescue or training exercise. | 09-01-2011 |
20110245702 | ELECTRODYNAMIC SENSORS AND APPLICATIONS THEREOF - An electrodynamic sensor comprises a high input impedance electrometer adapted to measure small electrical potentials originating from an object under test and having a pair of input probes, characterised in that at least one of said pair of input probes has no direct electrical contact with said object, wherein the circuit arrangement of said electrometer comprises an electrode ( | 10-06-2011 |
20110270112 | Multi-Function Health Monitor - A multi-function health monitor is capable of performing a resting 12-lead ECG test, an ECG stress test, a 24-hour holter monitor evaluation and or a 30-day MCT monitoring. Using only 3 electrodes, the multifunction health monitor derives 6 channels (Limb leads & Augmented leads) of data with the noise cancellation (ground) effect of a virtual dynamic RL electrode. An electrode resistivity measurement system quantifies and may compensate for increasing resistance the electrodes and the patient that results from the length of time the electrodes are installed on a patient. The multi-function health monitor can provide data analysis through the gate array as the data is acquired. Data may also be stored for remote analysis as well as for transmission to remote stations upon occurrence of one or more threshold events. Parameters for threshold events may be adjusted remotely to obviate the need for a patient to travel for system adjustment. | 11-03-2011 |
20110319781 | METHOD AND DEVICE FOR RECORDING AN ELECTROCARDIOGRAM - The invention relates to a method for recording an electrocardiogram, for example, comprising the steps of: a) receiving electrocardiogram signals from at least two electrodes (2, 3, 4, 5); b) calculating a current electrocardiogram from the received electrocardiogram signals, assuming an arrangement of the electrodes (2, 3, 4, 5); c) determining a deviation of the calculated current electrocardiogram from a reference electrocardiogram; d) repeating the steps b) and c), wherein each repetition assumes a different electrode arrangement; and e) identifying which of the determined deviations is the minimum. | 12-29-2011 |
20120022387 | RETRACTABLE MULTI-USE CARDIAC MONITOR - A retractable multi-use cardiac monitor is provided that includes a memory, and a first side that includes a first housing where a first sensing connector is on the outside of the first housing, and where the first sensing connector is configured to collect electrocardiogram (ECG) data and store ECG data onto the memory. The retractable multi-use cardiac monitor also includes a second housing including a wire retractor and a second sensing connector, where the second sensing connector is on the outside of the second housing, and the wire retractor is configured to extend and retract a wire that connects the second and first sides, and where the second sensing connector is configured to collect ECG data and store ECG data onto the memory. The retractable multi-use cardiac monitor further includes a wireless radio configured to transmit a portion of collected ECG data from the memory to a destination. | 01-26-2012 |
20120041328 | SYSTEMS AND METHODS FOR GRAPHIC DISPLAY OF ST-SEGMENT DEVIATION - Systems and methods are provided for monitoring a patient and graphically representing ST-segment deviations. | 02-16-2012 |
20120065531 | Rapid Visual Cuing Apparatus for Cardiac EKG Rhythms - The present invention is a visual cuing device which allows users to rapidly and easily identify ECG/EKG cardiac arrhythmias and twelve lead ECG/EKG arrhythmias. A visual cuing device contains a plurality of panels with a plurality of graphically displayed ECG/EKG abnormalities alternated with visually high-contrast, solid colored text sections. A visual cuing device may also contain additional tools, such as a heart rate reference line, time reference line or baseline window to aid in analysis and interpreting ECG/EKG strips. A visual cuing device may also be adapted to display using a touch screen or other user interface. | 03-15-2012 |
20120071776 | HEART RATE MONITOR DEVICE AND SYSTEM - A heart rate monitor system comprising: a user attachment means; a heart rate monitor attached to the user attachment means, and configurable to monitor the heart rate of a user during physical activity and during rest, the heart rate monitor comprising: a wireless transmitter configurable to wirelessly transmit heart rate data to a nearby receiver; a receiver, the receiver configurable to receive wireless transmissions from the wireless transmitter, and further configured to removeably connect to a portable computer device, the receiver comprising: a housing; an circuit located within the housing; a bandpass filter in signal communication with the circuit; a headset compatibility circuit in signal communication with the band pass filter; a connector means attached to the housing, and in signal communication with the headset compatibility circuit; and a portable computer device with a headset connector. A heart rate monitor receiver comprising: a receiver, the receiver configurable to receive wireless transmissions from a heart rate monitor, and further configured to removeably connect to a portable computer device, the receiver comprising: a housing; an circuit located within the housing; a bandpass filter in signal communication with the circuit; a headset compatibility circuit in signal communication with the band pass filter; a connector means attached to the housing, and in signal communication with the headset compatibility circuit. | 03-22-2012 |
20120083706 | ECG DATA DISPLAY METHOD FOR RAPID DETECTION OF MYOCARDIAL ISCHEMIA - Measured values of ST segment deviations obtained from a multi-lead ECG are transformed and displayed on a polar ST Circle Display, with zero ST deviation values located on a circle having a diameter that is greater than a maximum absolute ST segment deviation value obtained for any measured or derived lead. An ischemic condition and a location of the ischemia can thereby be easily determined. | 04-05-2012 |
20120089039 | Microcontrolled Electrocardiographic Monitoring Circuit With Differential Voltage Encoding - A microcontrolled electrocardiographic monitoring circuit with differential voltage encoding is provided. An input signal path includes an electrode, a low pass filter, and an amplifier, which are each connected in-line. The electrode senses an input signal via a conductive surface and the amplifier outputs a filtered amplified output signal. A microcontroller circuit includes an input codec, an analog-to-digital converter, and an encoder. The analog-to-digital converter is connected to the input signal path through an output of the amplifier and converts the filtered amplified output signal into a data stream of discrete digital values. The encoder determines a differential voltage between a current discrete digital value and a prior discrete digital value in the data stream. Persistent memory is connected to the microcontroller circuit via a peripheral serial interface bus, wherein the differential voltages for each of the discrete digital values in the data stream are stored into the persistent memory. | 04-12-2012 |
20120101398 | VISUALIZATION OF ELECTROPHYSIOLOGY DATA - A method for visualization of electrophysiology information can include storing electroanatomic data ( | 04-26-2012 |
20120116240 | HANDHELD ELECTROCARDIOGRAPHIC DEVICE - A handheld electrocardiographic device for perform an ECG signal acquisition is provided. The ECG device includes at least two electrodes for obtaining ECG signals from a user's skin, an analog signal processing module, an analog/digital converter for digitizing the ECG signals, a processor, which controls the ECG device and processes the ECG signals, a display unit for displaying a processed result of ECG signals and other related information, a memory for data storage, a battery for providing power, at least a contacting interface having at least one of the electrodes mounted thereon, and a detecting unit for sensing a physical condition of the contacting interface, wherein the processor compares the physical condition to a preset criterion, and takes the result as a reference for processing the ECG signals. | 05-10-2012 |
20120136266 | AUTOMATED ISCHEMIA ANALYSIS OF ECG DATA - An ECG analysis system is responsive to patient ECG data for performing an analysis of the ECG data to determine whether acute MI is present. The system first analyzes the ECG data by standard ECG analysis to determine whether acute MI is present. This analysis is followed in a first mode of operation by ACI-TIPI analysis to estimate the probability of acute MI from patient characteristics and the ECG data. In a second mode, when the standard ECG analysis is definitive as to the presence of acute MI the ACI-TIPI analysis is not run and the user is presented with only the results of the standard interpretation. If the standard ECG analysis is indeterminate as to the presence of acute MI, then the ACI-TIPI analysis is run and the results of the ACI-TIPI analysis are presented to the user. | 05-31-2012 |
20120172738 | APPARATUS AND METHOD FOR NON-INVASIVE INTRACARDIAC ELECTROCARDIOGRAPHY USING MPI - The present invention relates to an apparatus and a corresponding method for non-invasive intracardiac electrocardiography (ECG) by use of a magnetic and electrically conducting interference device ( | 07-05-2012 |
20120179058 | IMPLANTABLE MEDICAL DEVICE DIAGNOSTIC DATA ACQUISITION AND STORAGE - Physiological data is generated from signals received from one or more leads associated with the IMD. The physiological data is sampled to generate a plurality of data samples. A predictive encoding algorithm is applied to the plurality of data samples to generate a plurality of encoded data samples each corresponding to one of the plurality of data samples. An entropy encoding algorithm is then applied to the plurality of encoded data samples to generate a plurality of code words each corresponding to one of the plurality of encoded data samples. The code words are then stored in a memory in the IMD. | 07-12-2012 |
20120179059 | Analyzing Electrocardiogram Signals - A system, method, and memory medium for operating on an electrocardiogram (ECG) signal. A multiscale short-time Fourier transform (STFT) is perform on a set of ECG samples {s(n)} to obtain a transform array. For each sufficiently energetic peak in the transform array, a refined window width value and a refined window displacement value is generated by: computing an inner product between the set of samples and each of a plurality of functions, where the plurality of functions are sufficiently close to a coarse approximation function given by the peak location; and solving a linear system Av=c for the unknown vector v, where the vector c is determined by the inner products, where the matrix A is determined by the center times of the plurality of functions. After appropriate selection, the refined window width and refined window displacement may be used to represent ECG waveform features. | 07-12-2012 |
20120179060 | ECG SIGNAL ACQUISITION DEVICE - An ECG data acquisition device is provided, including a main housing, at least two electrodes, an ECG signal acquisition circuitry having a processor and a memory for storing acquired data, a connector for communication, and a movable housing, covering the connector and having at least an electrode mounted thereon, wherein as executing the ECG signal acquisition, the movable housing is in a first state, and as communicating with an external equipment, the movable housing is moved to a second state for exposing the connector and electrically disconnecting the electrode thereon from the ECG signal acquisition circuitry. | 07-12-2012 |
20120190995 | SYSTEMS AND METHODS FOR NON-INVASIVELY RECORDING ECG IN CONSCIOUS AMBULATORY SUBJECTS - An apparatus for non-invasively measuring an electrocardiogram (ECG) in a conscious ambulatory subject includes an electrically conductive platform. The electrically conductive platform establishes an electrical connection with the subject at one of a position forward (e.g., rostral to) or a position rearward (e.g., caudal to) the heart. An additional electrical connection is established at the other of a position forward (e.g., rostral to) or a position rearward (e.g., caudal to) on the subject. The position rearward to (e.g., caudal to) the heart can be the tail of the subject. The additional electrical connection can be established by a movable electrode, an electrically conductive ringlet, an additional electrically conductive platform, a region of conductive material, an electrically conductive dome, a food element, or one or more electrically conductive posts. | 07-26-2012 |
20120197150 | EXTERNAL CARDIAC MONITOR - An external physiological monitor continuously senses and monitors cardiac function of a patient to allow detection of cardiac events and the recording of data and signals pre- and post-event. The monitor is connected to and suspended on the patient's body solely by the electrode assembly. Stored diagnostic data may be uplinked and evaluated by the patient's physician utilizing a programmer via a two-way telemetry link. An external patient activator may optionally allow the patient, or other care provider to manually activate the recording of diagnostic data. | 08-02-2012 |
20120197151 | USE OF PERIODICITY IN MEDICAL DATA ANALYSIS - A patient management system is described that includes an implantable device for collecting one or more physiological parameter values and associated timestamps indicating the time at which the value is collected. The system is then configured to determine the periodic variation, if any, of a particular physiological parameter and use that periodicity in assessing changes in the parameter values over time. | 08-02-2012 |
20120203124 | MOBILE PHONE FOR RECORDING ECG - A mobile phone, a method of assembling a mobile phone, and a method of recording an ECG using the mobile phone. The mobile phone comprises a casing; a wireless communication module disposed inside the casing for communicating with a mobile network; one or more sensor elements integrated on the casing for measuring an electrophysiological signal of a person; and an ECG generator module disposed inside the casing and coupled to the sensor elements and the communication module for generating an ECG from the measured electrophysiological signal and for transmitting data representing said ECG via the communication module. | 08-09-2012 |
20120215123 | NON-INVASIVE CARDIAC MONITOR AND METHODS OF USING CONTINUOUSLY RECORDED CARDIAC DATA - Embodiments of the invention provide methods of obtaining continuous cardiac information from a mammal. First, attach a self-contained, wearable, portable continuous cardiac monitor to the mammal to create a chamber containing electrodes used to detect cardiac signals from the mammal. Next, continuously detect without analyzing the cardiac signals from the mammal for at least 24 hours. Next, store information related to substantially all detected cardiac signals in the cardiac monitor. | 08-23-2012 |
20120245480 | ELECTROCARDIOGRAM SIGNAL SENSING MODULE, APPARATUS AND COMPUTER TO BE INTEGRATED THEREWITH - An electrocardiogram (ECG) signal sensing module is provide. The ECG signal sensing module includes at least one touchpad button, for producing a press signal when being pressed; at least one sensing electrode, mounted on the at least one touchpad button and moving in unison with the at least one touchpad button, for measuring the voltage on the portion thereof touched by a user; an electrocardiogram signal processor, coupled to the at least one sensing electrode, for processing the voltage on the at least one sensing electrode and producing an ECG signal; and a transmission interface, coupled to the at least one touchpad button and the electrocardiogram signal processor, for outputting the press signal and the ECG signal to a computer. | 09-27-2012 |
20120265088 | SYSTEM AND METHOD FOR MONITORING OPERATION OF A CARDIAC MEDICAL DEVICE - A cardiac monitoring system includes a communication subsystem, a comparison module, and a display module. The communication subsystem receives literal data from a cardiac medical device. The literal data includes cardiac signals and marker data. The cardiac signals represent electrical activity of a heart that is sensed by the medical device. The marker data represents one or more algorithms running on the medical device. The comparison module compares the cardiac signals and marker data to one or more heuristic rules to derive heuristic information about the cardiac signals and the marker data. The heuristic information represents a relationship among the cardiac signals and the marker data. The display module directs a display device to visually present the cardiac signals and a visual indicator representative of the heuristic information. The heuristic information can assist an operator, such as a physician, in changing one or more algorithms running on the medical device. | 10-18-2012 |
20120283590 | System and Method for Mapping Complex Fractionated Electrogram Information - A system for presenting information representative of patient electrophysiological activity, such as complex fractionated electrogram information, includes at least one electrode to measure electrogram information from the heart surface, at least one processor coupled to the at least one electrode to receive the electrogram information and measure a location of the at least one electrode within the heart, and a presentation device to present the electrogram information as associated with the location at which it was measured on a model of the patient's heart. A memory may also be provided in which to store the associated electrogram information and measured location. Data may be analyzed using both time-domain and frequency-domain information to create a three-dimensional map. The map displays the data as colors, shades of color, and/or grayscales, and may further utilize contour lines, such as isochrones, to present the information. | 11-08-2012 |
20120302906 | Computer-Implemented Electrocardiographic Data Processor With Time Stamp Correlation - A computer-implemented electrocardiographic data processor with time stamp correlation is provided. A monitoring circuit includes a persistent memory and power supply that powers an encoder that determines a differential voltage between a current discrete digital voltage value and a prior voltage value. The differential voltage is stored into the persistent memory in a digitized data stream representative of analog cardiac action potential signals. Digitally-encoded voltage values and time stamps are retrieved from the persistent memory. A post-processing application executes. A set of output voltages and voltage differences that each correspond to lower and upper bounds of voltage is stored. Each retrieved voltage value is compared to the voltage bounds and the voltage differences within which each retrieved voltage value falls is identified. The output voltages corresponding to the voltage differences is selected. A display depicts the output voltages as reproduced analog cardiac action potential signals and correlates the time stamps. | 11-29-2012 |
20120310103 | HEART MONITOR WITH USER INPUT - The invention provides a simple low-cost ECG monitoring device connected to a server (typically cloud based) via a mobile network with a mobile phone acting as a gateway. The invention enables the user to use the mobile communication device to provide additional data relating to how they are feeling. This user data is stored together with a timestamp so that it can be directly compared with the corresponding ECG data. | 12-06-2012 |
20120316452 | METHOD FOR DETERMINING A HEART PERIOD FROM AN ECG WAVEFORM USING IMAGE REPRESENTATION OF ECG - A method for estimating a heart period is disclosed. The heart period is detected from an ECG recording. ECG data is acquired, and converted into electronic ECG images. The data is processed to prepare for estimation of a heart period. The heart period is estimated based upon an average of intervals between a plurality of detected peaks of electronic electrocardiogram waveforms. The peaks are determined by taking a product of a filtered electronic ECG signal with a wandering baseline removed, a difference between the upper and lower ECG envelopes of the electronic ECG images, and a first order derivative of a derived ECG waveform. | 12-13-2012 |
20120323132 | SYSTEM AND METHOD OF NOISE REDUCTION IN AN ELECTROCARDIOLOGY STUDY - A system to use in combination with an ECG signal acquisition system connected to an arrangement of electrodes on a subject is provided. The system can include an antenna system in communication with the ECG signal acquisition system, a location tracking system operable to track a direction and a location of the antenna system relative to a reference, and an interface connected in communication with the ECG signal acquisition system and the location tracking system. The interface includes an output indicative of a direction of a source of the noise signal detected by the antenna system. A filter reduces an effect of the noise signal on an acquired ECG waveform data received by the ECG signal acquisition system. | 12-20-2012 |
20120323133 | IDENTIFICATION OF CULPRIT CORONARY ARTERY USING ANATOMICALLY ORIENTED ECG DATA FROM EXTENDED LEAD SET - An ECG monitoring system analyzes ECG signals of leads associated with different anatomical locations of the body for evidence of ST elevation in the lead signals. The ST elevation and depression measurements of the leads are plotted in a graphical display organized in relation to the anatomical points which are the sources of the lead signals. In a polar graphical display format, each lead signal is plotted on its own anatomically-oriented axis to prevent conflict between multiple lead signals. In a linear or rectilinear graphical display format, each lead signal is plotted on its own row or column of the display. Missing lead signal values are filled in with averaged or interpolated values from other leads. | 12-20-2012 |
20130023780 | BULLSEYE DISPLAY FOR ECG DATA - A bullseye chart is comprised of concentric circles, each corresponding to a different level Anterior of the heart in relation to the apex. Each circle is divided into segments, with each segment corresponding to a different circumferential region around the heart. The bullseye chart is filled in with ECG data such as ST elevation data of leads corresponding to the various segments. The bullseye chart may be filled in with numeric ECG data values or qualitative values such as coloring or shading which indicates normal and abnormal segments. The ECG bullseye chart may be compared with an ultrasound bullet scorecard filled in with data derived from ultrasound images. | 01-24-2013 |
20130060156 | VISUALIZATON OF MYOCARDIAL INFARCT SIZE IN DIAGNOSTIC ECG - The segments of an anatomically corresponding bull's eye graph familiar to echocardiologists is annotated by coloring those segments for which ECG data indicates the presence of myocardial infarction injury. In an illustrated example, segments are colored with a second color when the ECG data corresponding to those segments are indicated as being the site of a coronary occlusion. The segments of the bull's eye graph may be colored in a third color with the results of a diagnostic imaging exam, such as by coloring segments exhibiting wall motion abnormalities with a third color. | 03-07-2013 |
20130079655 | PORTABLE ELECTROCARDIOGRAPH - A portable electrocardiograph includes a sensing unit and an process platform. The sensing unit having a signal wire is arranged to a patient for sensing the cycle of heart beat. The process platform having an application program serves to process and analyze the cycle of heart beat sensed by the sensing unit, the process result wil' be recorded and displayed. The process result will be transmitted through wire, wireless, Bluetooth transmission so that the initial symptom can be delivered to medical personnel. The process result can also be transmitted to data base of hospital server through network for advanced analysis so as to perform further diagnostic and treatment. The portable electrocardiograph is easily carried by patients so as to apply a self-diagnostic in time and inform medical personnel the latest condition for a complete diagnostic. | 03-28-2013 |
20130096450 | SYSTEM AND METHOD OF QUALITY ANALYSIS IN ACQUISITION OF AMBULATORY ELECTROCARDIOGRAPHY DEVICE DATA - A quality control system in combination with an ECG data analysis system to analyze ECG data acquired by an ambulatory electrocardiography device via a cable having a plurality of leads connected to a subject is provided. The quality control system includes a memory having programmable instructions for execution by a processor to perform the steps of calculating a trend of a quality score in the ECG data dependent on a noise content in the ECG data; and calculating a probability that one of a hardware and the Hookup personal, each associated with collecting the ECG data from the subject, is a substantial cause of the quality score for the ECG data. The probability can be calculated based on a comparison the trend of the quality score associated with the Hookup personnel versus the trend of the quality score of the hardware employed in acquiring the ECG data. | 04-18-2013 |
20130131531 | AUTOMATIC MEASUREMENT OF ISCHEMIC LEVELS IN CORONARY SEGMENTS TO DETERMINE ARTERY RESPONSIBLE THEREFOR - A method for localizing ischemia in segments of a heart in a patient under test includes attaching a plurality of electrodes to the patient to form a plurality of leads, capturing electric signals at each of the leads, determining a normalized vector magnitude for each lead as is inherent in a normal heart, calculating an output for each cardiac segment as a percentage of the left ventricle (LV) by adding up the contributions for all of the leads in the direction of each segment at the J point based on the normalized vector magnitudes and a correct calibration factor for conversion to the percent of LV and taking a dot product of each lead vector and each segment vector to identify a normalized response for each lead at each segment center and using the dot products to multiply the ST J-point signal for each lead. | 05-23-2013 |
20130158423 | Mobile wellness device - The invention is directed to a system for acquiring electrical footprint of the heart, electrocardiogram (EKG or ECG) and heart rate variability monitoring, incorporated into a mobile device accessory. The ECG signal is conveniently acquired and transmitted to a server via the mobile device, offering accurate heart rate variability biofeedback measurement which is portable and comfortable during normal daily life. The invention provides a reliable tool for applications such as wellness, meditation, relaxation, sports and fitness training, and stress-relief therapy where accurate heart rate variability measurement is desired. | 06-20-2013 |
20130197381 | AUTOMATIC SELECTION OF ELECTRODE VECTORS FOR ASSESSING RISK OF HEART FAILURE DECOMPENSATION EVENTS - An implantable medical device (IMD) is implanted in a patient. The IMD uses a plurality of electrode vectors to generate intrathoracic impedance measurements. The intrathoracic impedance measurements can be indicative of amounts of intrathoracic fluid in the patient. An accumulation of intrathoracic fluid may indicate that the patient is at an increased risk of experiencing a heart failure event in the near future. The IMD performs a vector selection operation on a recurring basis. When the IMD performs the vector selection operation, the IMD uses impedance measurements to select one of the electrode vectors. The IMD can perform a risk assessment operation on another recurring basis. During performance of the risk assessment operation, the IMD uses impedance measurements of the selected electrode vector and/or other patient characteristics stored within the IMD to determine whether the patient is at an increased risk of experiencing a heart failure event. | 08-01-2013 |
20130211272 | ECG Hand-Held Device - The invention relates to an ECG device ( | 08-15-2013 |
20130261483 | CARDIAC MAPPING - A non-contact cardiac mapping method is disclosed that includes: (i) inserting a catheter into a heart cavity having an endocardium surface, the catheter including multiple, spatially distributed electrodes; (ii) measuring signals at the catheter electrodes in response to electrical activity in the heart cavity with the catheter spaced from the endocardium surface; and (iii) determining physiological information at multiple locations of the endocardium surface based on the measured signals and positions of the electrodes with respect to the endocardium surface. Related systems and computer programs are also disclosed. | 10-03-2013 |
20130289429 | ELECTROCARDIOGRAPH - An electrocardiograph comprising a base part and an operating and displaying part. The operating and displaying part is disposed on the base part and includes a displaying unit and an operating unit. The displaying unit is connected to the operating unit. The operating and displaying part is coupled with the base part via a rotating structure such that the operating and displaying part can rotate left and right relative to the base part. Since the operating and displaying part as described in the present application can rotate left and right relative to the base part, the user can adjust the view angle of the operating and displaying part as required. | 10-31-2013 |
20130303927 | ECG LEAD SET AND ECG ADAPTER SYSTEM - A method for coupling an ECG monitor with an incompatible ECG lead set includes the steps of providing an ECG adapter including an adapter body having at least one monitor connector adapted for coupling to an input of an ECG monitor and at least one lead set receptacle adapted for coupling to a connector of an ECG lead set incompatible with the input of the ECG monitor, coupling the at least one monitor connector of the adapter body with the input of the ECG monitor and coupling the at least one lead set receptacle of the adapter body with the connector of the ECG lead set to thereby electrically couple the ECG lead set with the ECG monitor. | 11-14-2013 |
20130324870 | SYSTEMS AND METHODS FOR GRAPHIC DISPLAY OF ST-SEGMENT DEVIATION - Systems and methods are provided for monitoring a patient and graphically representing ST-segment deviations. | 12-05-2013 |
20130324871 | SYSTEM AND METHODS FOR COMPUTING ACTIVATION MAPS - Systems and methods can be used to determine activation information for points along a surface or selected region of interest. In one example, a computer-readable medium having computer-executable instructions for performing a method that includes computing a local activation vector based on relative timing among electrical signals corresponding to neighboring points of a plurality of points on a surface envelope. An activation time can be computed for each of the plurality of points as a function of corresponding local activation vectors. | 12-05-2013 |
20130331720 | ELECTROCARDIOGRAPH SYSTEM - The present invention relates to an electrocardiograph (EKG) system and methods of using the same. The system includes a plurality of electrodes, an acquisition device and a display. The acquisition device includes a processor that is configured to process signals generated from the electrodes without receiving processing instructions from the display and/or the display includes a processor that is configured to check signals received from the acquisition device for errors prior to displaying on a display screen an electrocardiograph trace generated from signals received from the acquisition device | 12-12-2013 |
20130331721 | ELECTROCARDIOGRAPH SYSTEM - The present invention relates to an electrocardiograph (EKG) system and methods of using the same. The system includes a plurality of electrodes, an acquisition device and a display. The acquisition device includes a processor that is configured to process signals generated from the electrodes without receiving processing instructions from the display and/or the display includes a processor that is configured to check signals received from the acquisition device for errors prior to displaying on a display screen an electrocardiograph trace generated from signals received from the acquisition device | 12-12-2013 |
20130345583 | SUPPRESSION OF GLOBAL ACTIVITY DURING MULTI-CHANNEL ELECTROPHYSIOLOGY MAPPING USING A WHITENING FILTER - Electrical activity propagation along an electrode array within a cardiac chamber is reconstructed. Signals from the electrode array are sampled, and the signals are plotted in multi-dimensional space with each axis corresponding to a channel in the electrode array. A covariance matrix of the plotted signals is decomposed to characterize the spread of a data cloud of the signals in the multi-dimensional space. The data cloud is then decorrelated, such as through whitening, to suppress excursions along correlated directions (global activation) and enhance excursions along each axis (local activation). | 12-26-2013 |
20140005563 | VISUALIZATION OF ELECTROPHSIOLOGY DATA | 01-02-2014 |
20140039337 | TRANSFER OF MEASUREMENT DATA RELATED TO PHYSICAL EXERCISE - A system for processing heart rate measurement data measured during a physical exercise of a user. The system includes a server computer configured to: associate, during a registration procedure for a measurement device of a user, a device identifier of the measurement device with a user account of the user stored in the server computer; receive a device identifier and real-time heart rate measurement data over a network connection; identify the user's measurement device from the received device identifier; and store the received heart rate measurement data to the user account of the user on the basis of the association between the received device identifier and the corresponding user account. | 02-06-2014 |
20140039338 | ECG Data Display Method for Rapid Detection of Myocardial Ischemia - Measured values of ST segment deviations obtained from a multi-lead ECG are transformed and displayed on a polar ST Circle Display, with zero ST deviation values located on a circle having a diameter that is greater than a maximum absolute ST segment deviation value obtained for any measured or derived lead. An ischemic condition and a location of the ischemia can thereby be easily determined. | 02-06-2014 |
20140088451 | SYSTEM AND METHOD FOR MANAGING ECG ACQUISITION DEVICES - An ECG device management system is disclosed herein. The ECG device management system includes a display, and a processor. The processor is configured to receive data from a plurality of ECG acquisition devices. The processor is further configured to process the data and to generate an output on the display based on the processed data. The output is adapted to facilitate the optimization of the ECG acquisition devices performance. | 03-27-2014 |
20140107514 | PHYSICIAN'S PROGRAMMER WITH ST-SEGMENT HISTOGRAM DISPLAY CAPABILITY - A physician's programmer for an implantable device is disclosed. The programmer includes a receiver for receiving wireless transmission data from the implantable heart monitor. A processor is configured to extract from the wireless transmission data ST-deviation histogram data as a function of heart rate. The histogram data for a particular heart rate range is shown on a display in the form of a bar chart. The histogram data for a plurality of heart rate ranges is shown in the form of a chart with multiple line plots. | 04-17-2014 |
20140114205 | GENERAL-PURPOSE MEDICAL INSTRUMENTATION - A general-purpose, low-cost system provides comprehensive physiological data collection, with extensive data object oriented programmability and configurability for a variety of medical as well as other analog data collection applications. A general-purpose data routing and encapsulation architecture supports input tagging and standardized routing through modern packet switch networks, including the Internet; from one of multiple points of origin or patients, to one or multiple points of data analysis for physician review. The preferred architecture further supports multiple-site data buffering for redundancy and reliability, and real-time data collection, routing, and viewing (or slower than real-time processes when communications infrastructure is slower than the data collection rate). Routing and viewing stations allow for the insertion of automated analysis routines to aid in data encoding, analysis, viewing, and diagnosis. | 04-24-2014 |
20140148718 | LINEAR DISPLAY OF ECG SIGNALS - An illustrative method and system for displaying ECG data of a patient includes the steps of: receiving an ECG waveform of a patient, determining at least a first attribute of the ECG waveform, and determining at least one data point from the first attribute of the ECG waveform. The first data point and associated first attribute of the ECG waveform are displayed on a linear scale. In an alternative method, the at least one data point is structured in a database of ECG data according to the Cabrera sequence; the display domain of the display is divided into several recurrent display slots; and a sequential one of the several recurrent display slots is associated with the at least one data point, which is displayed on the linear scale in the order in which the at least one data point appears in the Cabrera structured database of ECG data. | 05-29-2014 |
20140148719 | Multi-touch approach for ECG measurement - An ECG measurement approach for any multi-touch screens comprises the following steps: 1) display ECG on the screen; 2) use two fingers to touch the screen and the two touch points have two vertically projected points on the actual ECG waves; 3) draw the horizontal and vertical baselines to show the x interval in milliseconds and y interval in microvolt; 4) move any one or both of the two fingers touch points on the screen, the projected points and the horizontal/vertical baselines updated synchronously, as well as the measurements; 5) measure the different part of the ECG waves using this approach, including the wave top points, wave beginning and ending points. This approach can be used as a measurement tool to any graphs of functions over time displayed on the multi-touch screen, like EEG. | 05-29-2014 |
20140180151 | SUPPRESSION OF GLOBAL ACTIVATION SIGNALS DURING ANATOMICAL MAPPING - A method for mapping an anatomical structure includes sensing activation signals of intrinsic physiological activity with a plurality of electrodes disposed in or near the anatomical structure, identifying at least one of the electrodes not in direct contact with the anatomical structure, and adjusting the activation signals sensed by each of the plurality of electrodes based on the activation signals sensed by the identified at least one of the electrodes not in direct contact with the anatomical structure. | 06-26-2014 |
20140180152 | REAL-TIME FEEDBACK FOR ELECTRODE CONTACT DURING MAPPING - A catheter system includes a mapping catheter including a plurality of mapping electrodes, each mapping electrode configured to sense signals associated with an anatomical structure. The catheter system further includes a processor operatively coupled to the plurality of mapping electrodes and configured to receive the signals sensed by the plurality of mapping electrodes, characterize the signals sensed by the plurality of mapping electrodes based on amplitudes of the sensed signals, and generate an output of a quality of contact of the plurality of mapping electrodes with the anatomical structure based on the signal characterization. | 06-26-2014 |
20140200472 | COMPUTER-IMPLEMENTED ELECTROCARDIOGRAHIC DATA PROCESSOR WITH TIME STAMP CORRELATION - A computer-implemented electrocardiographic data processor with time stamp correlation is provided. A monitoring circuit includes a persistent memory and power supply that powers an encoder that determines a differential voltage between a current discrete digital voltage value and a prior voltage value. The differential voltage is stored into the persistent memory in a digitized data stream representative of analog cardiac action potential signals. Digitally-encoded voltage values and time stamps are retrieved from the persistent memory. A post-processing application executes. A set of output voltages and voltage differences that each correspond to lower and upper bounds of voltage is stored. Each retrieved voltage value is compared to the voltage bounds and the voltage differences within which each retrieved voltage value falls is identified. The output voltages corresponding to the voltage differences is selected. A display depicts the output voltages as reproduced analog cardiac action potential signals and correlates the time stamps. | 07-17-2014 |
20140200473 | FOCAL POINT IDENTIFICATION AND MAPPING - A method can determine one or more origins of focal activation. The method can include computing phase for the electrical signals at a plurality of nodes distributed across a geometric surface based on the electrical data across time. The method can determine whether or not a given candidate node of the plurality of nodes is a focal point based on the analyzing the computed phase and magnitude of the given candidate node. A graphical map can be generated to visualize focal points detected on the geometric surface. | 07-17-2014 |
20140207013 | DEVICE AND METHOD FOR FUSION BEAT DETECTION - A heart monitoring and/or therapy device for detecting and quantifying fusion beats, wherein the device includes an IEGM signal sensing channel that puts out a recorded IEGM signal and an evaluation unit operatively connected to said IEGM signal sensing channel that detects fusion beats. The evaluation unit comprises or is connected to a template memory including at least a first template electrogram signal and a second template electrogram signal. The evaluation unit compares the recorded IEGM signal with both, the first and the second template electrogram signal and determines at least a first degree of similarity reflecting the similarities between the recorded electrogram signal and the first template electrogram signal, and a second degree of similarity reflecting the similarities between the recorded electrogram signal and the second template electrogram signal. The evaluation unit then calculates a fusion index (FI) from the at least two degrees of similarity. | 07-24-2014 |
20140221862 | System, Software and Method of Streaming ECG/EKG Data Over Bluetooth Low-Energy Interface - A system, software and method of streaming ECG/EKG data over Bluetooth low-energy interface. | 08-07-2014 |
20140276161 | METHOD AND APPARATUS FOR DISPLAYING PERIODIC SIGNALS GENERATED BY A MEDICAL DEVICE - An improved method and apparatus for displaying periodic signals generated by a medical device is disclosed. | 09-18-2014 |
20140276162 | SYSTEMS AND METHODS FOR PROCESSING AND ANALYZING MEDICAL DATA - Described herein are apparatuses (e.g., systems, devices) and methods for processing, distributing, and analyzing medical data. In particular, apparatuses and methods for processing and distributing tasks or jobs for completion by a qualified worker or specialist are described. Crowdsourcing data to specialists for interpretation can be accomplished using an auction system to match the specialists with discrete portions of the data. The data can be bundled based on one or more categories or characteristics, and then placed on an auction where the specialists can bid for each bundle by submitting a payment price. The data can be medical data, such as ECG data, imaging data and test data. | 09-18-2014 |
20140309544 | MEDICAL ACCESSORY PROXIMITY TESTING, DETECTION, AND ALERTING SYSTEM - Disclosed is a system having an implanted component and external component which are configured to provide a test of wireless communication in order to assess the success or failure of such communication and to store attributes related to such test in a memory log. To provide the communication test the implantable and external components can attempt wireless communication according to communication test parameters which relate to number of times to retry communication, duration of sending communication test signals, durations of waiting for communication test signals and the schedule of the communication tests. The schedule of tests may be period or may change over time in order to become more or less frequency according to a programmable schedule that may also decrease if the communication tests are successful and indicate patient compliance in keeping the external components close by. The communication tests can assist in determining if the patient is maintaining external components within a suggested proximity (e.g. 6 feet) of the patient and may assist to determine if transmission or reception difficulties are the source of communication failure. A physician programmer can provide for programming, conducting, summarizing and assessing the results of communication tests. | 10-16-2014 |
20140323895 | 2DEG-BASED SENSOR AND DEVICE FOR ECG SENSING - The disclosed technology generally relates to sensors comprising a two-dimensional electron gas (2DEG), and more particularly to an AlGaN/GaN 2DEG-based sensor for sensing signals associated with electrocardiograms, and methods of using the same. In one aspect, a sensor comprises a substrate and a GaN/AlGaN hetero-junction structure formed on the substrate and configured to form a two-dimensional electron gas (2DEG) channel within the GaN/AlGaN hetero-junction structure. The sensor additionally comprises Ohmic contacts connected to electrical metallizations and to the 2DEG channel, wherein the GaN/AlGaN hetero-junction structure has a recess formed between the Ohmic contacts. The sensor further comprises a dielectric layer formed on a top surface of the sensor. | 10-30-2014 |
20140330150 | PERSISTENT DISPLAY OF NEAREST BEAT CHARACTERISTICS DURING REAL-TIME OR PLAY-BACK ELECTROPHYSIOLOGY DATA VISUALIZATION - A system and method for mapping an anatomical structure includes sensing activation signals of intrinsic physiological activity with a plurality of electrodes disposed in or near the anatomical structure. A most recent intrinsic event at a selected time is determined based on the sensed activation signals and a persistent display of relevant characteristics is generated based on the sensed activation signals of the most recent intrinsic event. The persistent display is updated upon detection of a subsequent intrinsic event. | 11-06-2014 |
20140350424 | WEARABLE HEARTBEAT AND BREATHING WAVEFORM CONTINUOUS MONITORING SYSTEM - Apparatus and method are provided to collect and analyze heartbeat waveforms. In one novel aspect, the heartbeat waveforms are collected from wearable devices. In one embodiment, the wearable device collects heartbeat waveforms by attaching the device to the patient for a long period and sends the collected waveforms to a receiver through a wireless network. In another novel aspect, an application program is installed in a smart device to receive heartbeat waveforms from one or more wearable devices. The application program either relays the received waveform to a remote processing center or processes the data before sending. In another novel aspect, an analysis method compares received patient's current heartbeat waveform with historic data. In one embodiment, the historic data are stored in a cloud-based database. In another novel aspect, the remote processing center is an open platform data center, which takes in certified third party inputs. | 11-27-2014 |
20150018702 | Devices and Methods for Real-Time Denoising of Electrocardiograms - Apparatuses and methods (including methods of using such apparatuses) for de-noising electrocardiograms (ECGs) by manually or automatically adjusting the amount of filtering of an ECG signal. For example, real-time ECG signals may be filtered by combining in a weighted fashion an unfiltered portion of an ECG (or a filtered portion of the same ECG) with the same portion of the ECG that has been filtered. The weighting may be adjusted manually and/or automatically. Also described herein are methods for real-time filtering of ECG signals using a combination of filtering techniques including filtering to correct baseline wander, Savitzky-Golay denoising, and threshold smoothing. Multiple filtering techniques may be combined in a weighed manner to provide signal de-noising. | 01-15-2015 |
20150025404 | METHODOLOGY FOR AUTOMATED SIGNAL MORPHOLOGY ANALYSIS IN IMPLANTABLE ELECTROTHERAPY AND DIAGNOSTIC SYSTEMS - Systems and related methods for analyzing data sensed from a device implanted in a patient, such as a cardiac pacing system. The system detects and evaluates electric signals within the patient that share a common event marker. By using algorithms and graphical presentation of the collected signals having common event markers, deviations in signals over time can be identified and evaluated in consideration of taking further action related to the patient and the implanted device. The system can also be used in conjunction with an advanced patient management system that includes a programmer or repeater capable of gathering information from the implanted device and transmitting the data to a host via a communications network for evaluation at a remote location. | 01-22-2015 |
20150032017 | METHOD AND APPARATUS FOR PROVIDING A VISUAL REPRESENTATION OF SLEEP QUALITY BASED ON ECG SIGNALS - A method of providing a graphical representation of sleep quality includes obtaining ECG data for a patient, obtaining a plurality of N-intervals from the ECG data, calculating a plurality of spectral densities based on the plurality of N-N intervals, wherein each spectral density is associated with one of a plurality of successive time windows and is calculated based on certain ones of the N-N intervals associated with the one of the plurality of successive time windows, and generating the graphical representation of sleep quality using the plurality of spectral densities. | 01-29-2015 |
20150045684 | HEART RATE EXTRACTION USING NEURAL WAVELET ADAPTIVE GAIN CONTROL AND NEURAL PATTERN PROCESSING - An improved heart rate monitor is provided that can detect and distinguish a heartbeat from an otherwise contaminated system with noise components potentially larger than the signal of interest. Embodiments of the inventive monitor have an amplification system that eliminates large noise components so as not to saturate the system during detection of a desired low amplitude signal. In embodiments the elimination of noise components is accomplished through wavelet decomposition, and the removal of undesired components including interference components during adaptive gain control (AGC), in addition to hunting algorithms which minimize the error with techniques such as neural network least mean squares type back propagation algorithms. | 02-12-2015 |
20150088020 | System and Method For Interactive Processing Of ECG Data - A system and method for interactive processing of ECG data are presented. An electrocardiogram is displayed. A user selection of a portion of the displayed ECG is received. Digitized signals corresponding to the selection are obtained. A list of digital filters for filtering the selection are displayed. A user selection of one or more sets of the digital filters is received, with each of the sets including one or more of the filters from the list. The selected sets are applied to the digitized signals for the selection. A filtered ECG for the selection is generated for each of the sets based on the signals filtered by that set. The filtered selection ECG for each of the sets are presented on the display. | 03-26-2015 |
20150141862 | Navigation Features for Electrocardiograph Device User Interface - An electrocardiograph device and methods of navigating displays of such a device are disclosed. In one example, an electrocardiograph device includes a display, a plurality of electrocardiograph signal leads, and a programmable circuit. The programmable circuit is configured to receive electrical signals via the electrocardiograph signal leads representative of a heartbeat of a patient. The programmable circuit is configured to generate a user interface to be presented on the display, the user interface comprising a lead display including a screen layout including a plurality of waveform regions. The waveform regions display a waveform corresponding to an electrical signal from one of the leads over a time interval including at least one heartbeat period. Selection of a region causes display of an extended waveform region displaying a waveform over a second time interval that is longer than the first time interval, and which includes a plurality of heartbeat periods. | 05-21-2015 |
20150297107 | SYSTEM AND METHOD FOR ELECTROCARDIOGRAM ANALYSIS AND OPTIMIZATION OF CARDIOPULMONARY RESUSCITATION AND THERAPY DELIVERY - The system and method provide for electrocardiogram analysis and optimization of patient-customized cardiopulmonary resuscitation and therapy delivery. An external medical device includes a housing and a processor within the housing. The processor can be configured to receive an input signal for a patient receiving chest compressions and to select at least one filter mechanism and to apply the filter mechanism to the signal to at least substantially remove chest compression artifacts from the signal. A real time dynamic analysis of a cardiac rhythm is applied to adjust and integrate CPR prompting of a medical device. Real-time cardiac rhythm quality is facilitated using a rhythm assessment meter. | 10-22-2015 |
20150342485 | SYSTEM AND METHOD FOR VISUALLY DETERMINING A PHYSIOLOGICAL SIGNAL THRESHOLD - An apparatus, system and method for visually determining a physiological signal threshold are capable of providing a graphical user interface (GUI) useful for determining an electrocardiogram threshold parameter. The apparatus includes a physiological signal monitor, a display and a processor. The processor coupled to the display and is configured to receive, from a patient, at least one physiological signal and generate a graphical user interface (GUI) in the display. The GUI includes a first display portion configured to display a subset of the at least one physiological signal and to display a threshold parameter of the at least one physiological signal. The threshold parameter is displayed in the GUI superimposed on the subset of the at least one physiological signal. | 12-03-2015 |
20150342488 | MEDICAL DEVICES FOR MAPPING CARDIAC TISSUE - Medical devices and methods for making and using medical devices are disclosed. An example method may include a method of identifying an activation time in a cardiac electrical signal. The method may include sensing a cardiac electrical signal, generating an approximation signal based at least in part on one or more parameters of the cardiac electrical signal, identifying a fiducial point on the approximation signal and determining, based at least in part on a timing of the fiducial point in the approximation signal, an activation time in the cardiac electrical signal. | 12-03-2015 |
20150351656 | SYSTEM AND METHOD FOR ELECTRO-CARDIOGRAM (ECG) MEDICAL DATA COLLECTION WHEREIN PHYSIOLOGICAL DATA COLLECTED AND STORED MAY BE UPLOADED TO A REMOTE SERVICE CENTER - A data collection unit obtains physiological data from a subject interface on a subject. The subject interface can be connected to the data collection unit. When the subject interface is connected to the data collection unit, subject interface contacts on the subject interface make contact with data collection unit contacts on the data collection unit. Some of the data collection unit contacts are for communicating physiological data from the subject interface to the data collection unit. Some of the contacts are for powering the data collection unit upon the subject interface being connected to the data collection unit and for powering down the data collection unit upon the subject interface being disconnected from the data collection unit. | 12-10-2015 |
20150359450 | Method for Physiological Signal Analysis and its System and Computer Program Product Storing Physiological Signal Analysis Program - A method for physiological signal analysis and its system and a computer program product storing a physiological signal analysis program are provided. Physiological signals of a subject are collected for a user to provide a detection opinion for the physiological signals in order to generate syndrome recognition parameters and syndrome weight parameters such that the collected physiological signals are analyzed and determined. The invention performs detection determination by means of combining the physiological signals of the subject and referencing to an analysis opinion from the user. Therefore, an output detection result may be believed by both doctors and patients with effectively improved accuracy of analysis result to improve the efficiency of the user in diagnosis and treatment. | 12-17-2015 |
20150359451 | HEART RATE METER AND METHOD THEREOF - A heart rate meter and a method thereof are provided. The method is adopted by a sensing circuit of a heart rate meter, wherein the sensing circuit includes a pulse sensor and a proximity sensor. The method includes: determining whether the sensing circuit is close to a neighboring object according to a proximity output signal of the proximity sensor; determining whether the sensing circuit is hung in the air according to a direct current (DC) output signal of the pulse sensor; and when the sensing circuit is close to the neighboring object and is not hung in the air, determining that the measuring circuit can measure an electrocardiographic signal of the neighboring object. | 12-17-2015 |
20150359964 | INTRAVENOUS LINE FLOW SENSOR FOR ADVANCED DIAGNOSTICS AND MONITORING IN EMERGENCY MEDICINE - A portable medical device having an intravenous line flow sensor integrated into a cable. The portable medical device may be a defibrillator having an ECG or electrode cable couple to ECG or electrode leads. The flow sensor may be integrated into the ECG or electrode cable. The portable medical device uses the flow sensor to capture and store information about fluids delivered to a patient being treated with the portable medical device. The information may include total volume provided, flow rate, and the like. The information may then be used to evaluate the treatment provided to the patient. | 12-17-2015 |
20150366483 | Computer-Aided Localization of Site of Origin of Cardiac Activation with Discriminator Leads - A method for quantifying, during pacemapping, a comparison of a BSPM of interest to a pace site BSPM. The method may include receiving at a computing device a plurality of ECG signals from an acquisition system. The pace site BSPM may be calculated using the plurality of ECG signals. The BSPM of interest may be compared to the pace site BSPM, by: retrieving the BSPM of interest from memory accessible by the computing device; and, calculating one or more comparison metrics for the BSPM of interest as compared to the pace site BSPM. An indication of similarity between the BSPM of interest and the pace site BSPM based on the comparison metric calculated may be displayed on a user interface in communication with the computing device. | 12-24-2015 |
20160007877 | Ambulatory Electrocardiography Monitor Recorder Optimized For Capturing Low Amplitude Cardiac Action Potential Propagation | 01-14-2016 |
20160015990 | DEFIBRILLATOR AND METHOD USING LIMB LEADS FOR ARTIFACT FREE ECG - A defibrillator and method that uses ECG signals from limb lead electrodes for display and monitoring, even when a separate set of therapy pads are present at the patient. The limb lead ECG signal is used for display and to determine whether electrotherapy is necessary. The determination is a prerequisite to arming and delivery of the electrotherapy. | 01-21-2016 |
20160038051 | DEVICE AND METHOD FOR THE GEOMETRIC DETERMINATION OF ELECTRICAL DIPOLE DENSITIES ON THE CARDIAC WALL - Disclosed are devices, a systems, and methods for determining the dipole densities on heart walls. In particular, a triangularization of the heart wall is performed in which the dipole density of each of multiple regions correlate to the potential measured at various locations within the associated chamber of the heart. | 02-11-2016 |
20160066805 | ASSEMBLY FOR PROVIDING A LONG-TERM ECG - The invention relates to an assembly for providing a long-term ECG. The assembly comprises a portable ECG device ( | 03-10-2016 |
20160095526 | ELECTROCARDIOGRAM DISPLAY DEVICE - An electrocardiogram display device includes an electrocardiogram waveform generating unit that generates electrocardiogram waveforms of a plurality of leads based on electrocardiogram data of each of the leads, an arranging instruction unit that instructs an arranging order of the electrocardiogram waveform of each lead by performing inputting, a display unit, and a displaying control unit that arranging the electrocardiogram waveform of each lead in a corresponding arranging order in response to instruction of the arranging instruction unit to create and display one screen image on the display unit. | 04-07-2016 |
20160135700 | ECG FEATURES FOR TYPE AHEAD EDITING AND AUTOMATIC UPDATE FOR REPORT INTERPRETATION - An electrocardiogram (ECG) device includes a processor ( | 05-19-2016 |
20160135701 | SYSTEMS AND METHODS FOR PERFORMING ELECTROCARDIOGRAMS - A system for performing an electrocardiogram (ECG) can include a handheld electrocardiograph device having a right arm electrode, a left arm electrode, and a left leg electrode, and can be configured to receive signals from the electrodes and to send data based on the electrode signals to a mobile electronic device. The mobile electronic device can be configured to process and analyze the receive information to provide ECG data, such as 6-lead ECG data. The mobile electronic device can analyze the ECG data to provide diagnostic information. The mobile electronic device can transfer the ECG data to a remote computing system, which can analyze the ECG data to provide diagnostic information. | 05-19-2016 |
20160135884 | SYSTEM AND METHOD OF POTENTIAL EQUALIZATION MONITORING FOR MEDICAL DEVICES - A method of potential equalization monitoring includes connecting a plurality of electrical devices to a patient, electrically connecting each of the plurality of electrical devices to a common equipotential grounding hub, the equipotential grounding hub defining a ground, monitoring a flow of current to the ground from at least one of the plurality of electrical devices, detecting a change in the balance of electrical charge between the plurality of devices, and identifying a source of the change in the balance of electrical charge. | 05-19-2016 |
20160150989 | Method For Efficiently Encoding And Compressing ECG Data Optimized For Use In An Ambulatory ECG Monitor | 06-02-2016 |
20160183822 | NON-INVASIVE METHOD AND SYSTEM FOR CHARACTERIZING CARDIOVASCULAR SYSTEMS - The present disclosure uses physiological data, ECG signals as an example, to evaluate cardiac structure and function in mammals. Two approaches are presented, e.g., a model-based analysis and a space-time analysis. The first method uses a modified Matching Pursuit (MMP) algorithm to find a noiseless model of the ECG data that is sparse and does not assume periodicity of the signal. After the model is derived, various metrics and subspaces are extracted to image and characterize cardiovascular tissues using complex-sub-harmonic-frequencies (CSF) quasi-periodic and other mathematical methods. In the second method, space-time domain is divided into a number of regions, the density of the ECG signal is computed in each region and inputted into a learning algorithm to image and characterize the tissues. | 06-30-2016 |
20160183824 | SYSTEM AND METHOD FOR VISUALIZING ELECTROPHYSIOLOGY DATA - A method and system for visualization of electrophysiology information sensed by electrodes on a catheter, includes recording times of electrode signal acquisition, designating a reference electrode signal acquisition, assigning a relative time to each recorded time of electrode signal acquisition relative to the reference electrode signal acquisition, identifying the electrodes with signal acquisition, correlating assigned relative times to identified electrodes to generate a sequence of electrode signal acquisitions, and generating a visual representation of the sequence of electrode signal acquisitions generating a visual representation with a graphical image of the electrodes, wherein individual electrodes are visually marked to represent the sequence of electrode signal acquisitions. | 06-30-2016 |
20160183827 | METHOD AND APPARATUS FOR COMPARING AND VISUALIZING SERIAL ECG DATA - A method of analyzing electrocardiograph (ECG) data includes receiving a first representative ECG of a patient and isolating a first principal component, a second principal component, and a third principal component of the first representative ECG. The principal components are isolated by selecting a portion of the first representative ECG relating to depolarization, calculating a covariance matrix based on the portion of the first representative ECG, conducting a principal component analysis of the covariance matrix, and selecting a first component of the principal component analysis as the first principal component, the second component of the principal component analysis as the second principal component, and the third component of the principal component analysis as the third principal component. A depolarization subspace is then formed based on the first principal component, second principal component, and the third principal component of the first representative ECG. | 06-30-2016 |
20160192850 | METHOD AND DISPLAY FOR LONG TERM PHYSIOLOGICAL SIGNAL QUALITY INDICATION | 07-07-2016 |
20180020938 | IDENTIFYING AMBIGUOUS CARDIAC SIGNALS FOR ELECTROPHYSIOLOGIC MAPPING | 01-25-2018 |
20180020939 | TWO ELECTRODE APPARATUS AND METHODS FOR TWELVE LEAD ECG | 01-25-2018 |
20220133147 | COMMUNICATION OF PARENT PHYSIOLOGICAL DATA TO INFANT - Communication of parent physiological data to an infant may include a first interface device which includes a sensor to record physiological data associated with a heartbeat of a parent, a processor to receive the physiological data from the sensor, and a transceiver; a server which receives the physiological data from the transceiver, accesses an instance of the physiological data from a replay storage location during a loss of communication, assigns a unique identifier, processes the physiological data, modifies the physiological data to be within an allowable threshold or accesses physiological data within the allowable threshold when the physiological data is outside an allowable threshold, filters the physiological data to apply an effect, and transmits the physiological data based on the unique identifier; and a second interface device which includes a transceiver to receive the physiological data and a communication element to communicate the physiological data to the infant. | 05-05-2022 |