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Surgery > Diagnostic Testing > Cardiovascular > Heart > Detecting Heartbeat Electric Signal > Detecting Arrhythmia Detecting ArrhythmiaDetecting Arrhythmia patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/02/06 - 20060247548 - Method and apparatus for detection of tachyarrhythmia using cycle lengths A multi-layer method for detecting atrial arrhythmias using ventricular cycle length information that includes performing a base layer algorithm for detecting the onset and offset of an atrial tachyarrhythmia. The multi-layer method further includes one or more higher layer algorithms executed in response to a base layer detection to confirm ... 11/02/06 - 20060247547 - Method and apparatus for detection of tachyarrhythmia using cycle lengths A method and apparatus for detecting atrial arrhythmias and discriminating atrial fibrillation (AF) and organized atrial tachycardia (OAT) that includes defining a threshold detection criteria for a cluster signature evidence metric corresponding to a Lorenz distribution of ventricular cycle lengths representative of AF or OAT. Using a signal containing VCL ... 07/27/06 - 20060167364 - Algorithms for detecting cardiac arrhythmia and methods and apparatuses utilizing the algorithms A method for detecting a cardiac arrhythmia from an electrocardiogram includes the steps of identifying a plurality of R-waves in the electrocardiogram during a predetermined time interval; extracting heartbeat complexes corresponding to the identified R-waves; identifying a key region within each heartbeat complex that is morphologically altered in the event ... 07/20/06 - 20060161069 - Methods and apparatuses for cardiac arrhythmia classification using morphology stability An implantable cardioverter/defibrillator (ICD) includes a tachyarrhythmia detection and classification system that classifies tachyarrhythmias based on a morphological analysis of arrhythmic waveforms and a template waveform. Correlation coefficients each computed between morphological features of an arrhythmic waveform and morphological features of the template waveform provide for the basis for classifying ... 06/08/06 - 20060122527 - Discrimination of supraventricular tachycardia and ventricular tachycardia events A method and system for discrimination of supraventricular tachycardia and ventricular tachycardia events. Morphological features points are extracted from normal sinus rhythm (NSR) complexes and used to generate a NSR template. A numerical convolution is performed using the NSR template and the feature points for each sensed NSR to give ... 06/08/06 - 20060122526 - Method and algorithm for spatially identifying sources of cardiac fibrillation A method and computer program product comprising an algorithm adapted to execute a method of identifying the spatial coordinates of a sustaining source of fibrillatory activity in a heart by computing a set of point-dependent dominant frequencies and a set of point-dependent regularity indices for a set of products of ... 06/01/06 - 20060116594 - Method and apparatus for arrhythmia classification using atrial signal mapping An implantable medical device senses a plurality of electrograms from substantially different atrial locations, detects regional depolarizations from the electrograms, and analyzes timing relationships among the regional depolarizations. The timing relationships provide a basis for effective therapy control and/or prognosis of certain cardiac disorders. In one embodiment, an atrial activation ... 05/18/06 - 20060106323 - Cardiac rhythm monitoring device The present invention is a cardiac rhythm-monitoring device, which allows patients to perform a preliminary screening for supraventricular arrhythmia. The device detects beat-to-beat heart rhythms (i.e. the R-R interval between individual heart beats) and performs a screening test to determine if there are indications of arrhythmia. The test looks for ... 04/20/06 - 20060084882 - Method and system for detecting and/or predicting biological anomalies Biological anomalies are detected and/or predicted by analyzing input biological or physical data using a data processing routine. The data processing routine includes a set of application parameters associated with biological data correlating with the biological anomalies. The data processing routine uses an algorithm to produce a data series, e.g., ... 04/13/06 - 20060079797 - Cardiac rhythm monitoring device The present invention is a cardiac rhythm-monitoring device, which allows patients to perform a preliminary screening for supraventricular arrhythmia. The device detects beat-to-beat heart rhythms (i.e. the R-R interval between individual heart beats) and performs a screening test to determine if there are indications of arrhythmia. The test looks for ... 04/06/06 - 20060074332 - Cardiac rhythm monitoring device The present invention is a cardiac rhythm-monitoring device, which allows patients to perform a preliminary screening for supraventricular arrhythmia. The device detects beat-to-beat heart rhythms (i.e. the R-R interval between individual heart beats) and performs a screening test to determine if there are indications of arrhythmia. The test looks for ... 04/06/06 - 20060074331 - Arrhythmia classification and therapy selection Different types of cardiac arrhythmia are classified based on the morphology of the arrhythmic beats. Cardiac beats associated with an arrhythmic episode are compared to a plurality of representative beat morphologies, each representative beat morphology characterizing a type of arrhythmia of the heart. An arrhythmic episode may be classified as ... 04/06/06 - 20060074330 - Systems, devices, and methods for tachyarrhythmia discrimination or therapy decisions This document discusses, among other things, systems, devices, and methods for detecting or classifying tachyarrhythmias or making a therapy decision. In one example, a rate-dependent threshold is used for comparing atrial and ventricular rates for classifying a tachyarrhythmia as a ventricular tachyarrhythmia (VT) or a supraventricular tachyarrhythmia (SVT). In another ... 11/24/05 - 20050261599 - Differentiating ischemic from non-ischemic t-wave inversion A method of differentiating between ischemic and cardiac memory inverted T-waves includes performing an electrocardiogram of a patient; identifying inverted T-waves in at least some of precordial leads; identifying T-waves in leads I and aVL; diagnosing ischemia if leads I and aVL show inverted T-waves; and diagnosing cardiac memory if ... 10/20/05 - 20050234363 - Method and apparatus for determining alternans data of an ecg signal Method and apparatus for determining alternans data of an ECG signal. The method can include determining at least one value representing at least one morphology feature of each beat of the ECG signal and generating a set of data points based on a total quantity of values and a total ... 10/20/05 - 20050234362 - Method and apparatus for displaying alternans data Method and apparatus for displaying alternans data of an electrocardiogram signal having a plurality of odd beats and a plurality of even beats. The method can include calculating an odd median complex for at least one of the plurality of odd beats, the odd median complex having a plurality of ... 10/06/05 - 20050222513 - Methods for quantifying the morphology and amplitude of cardiac action potential alternans Methods and apparatus for determining T-wave alternan signatures (i.e., morphology and polarity) derived from a physiologic signal representative of a subject's heart activity; assessing changes in the myocardium Action Potential (“AP”) through analysis of the alternan signature derived from a physiologic signal representative of a subject's heart activity; and/or assessing ... 10/06/05 - 20050222512 - Methods for quantifying the morphology and amplitude of cardiac action potential alternans Methods and apparatus for determining T-wave alternan signatures (i.e., morphology and polarity) derived from a physiologic signal representative of a subject's heart activity; assessing changes in the myocardium Action Potential (“AP”) through analysis of the alternan signature derived from a physiologic signal representative of a subject's heart activity; and/or assessing ... 10/06/05 - 20050222511 - Methods for quantifying the morphology and amplitude of cardiac action potential alternans Methods and apparatus for determining T-wave alternan signatures (i.e., morphology and polarity) derived from a physiologic signal representative of a subject's heart activity; assessing changes in the myocardium Action Potential (“AP”) through analysis of the alternan signature derived from a physiologic signal representative of a subject's heart activity; and/or assessing ... 10/06/05 - 20050222510 - Methods for quantifying the morphology and amplitude of cardiac action potential alternans Methods and apparatus for determining T-wave alternan signatures (i.e., morphology and polarity) derived from a physiologic signal representative of a subject's heart activity; assessing changes in the myocardium Action Potential (“AP”) through analysis of the alternan signature derived from a physiologic signal representative of a subject's heart activity; and/or assessing ... 08/04/05 - 20050171448 - Biological signal management Systems and techniques for managing biological signals. In one implementation, a method includes receiving a cardiac biological signal that includes information describing events, determining a merit of each event based on one or more of a severity of a cardiac condition associated with the event and a quality of the ... 08/04/05 - 20050171447 - Method and device for the automateddetection and differentiation of cardiac rhythm disturbances The invention relates to a method and a device for the automated detection and differentiation of cardiac rhythm disturbances. According to said method, measured values for a coherent series of a cardiac frequency signal, preferably the times of the peaks of the R waves are correlated together using a Poincaré ... 07/28/05 - 20050165321 - System for patient alerting associated with a cardiac event A system for the detection of cardiac events occurring in a human patient is provided. At least two electrodes are included in the system for obtaining an electrical signal from a patient's heart. An electrical signal processor is electrically coupled to the electrodes for processing the electrical signal and a ... 07/28/05 - 20050165320 - Method and system for detection of cardiac arrhythmia There are many different serious cardiac arrhythmias. The present invention uses measurements of RR intervals (interbeat intervals) to detect, in particular but not exclusively, atrial fibrillation of a patient. Atrial fibrilation is a serious ailment in which the heartbeat is generally rapid and irregular. Probability density histograms of ΔRRs (difference ... 07/14/05 - 20050154326 - Method and apparatus for integral evaluation and/or correction of state of organism regulation system A method and apparatus for integral evaluation of a state of a regulation system of a subject organism is provided. In one embodiment, the method includes: a) registering a heart interval RR, b) measuring a succession of heart intervals RR to determine an integral approximation of a heart rate variability, ... 07/14/05 - 20050154325 - Sudden cardiac arrest monitoring system A wearable heart monitoring system (1) for monitoring of a cardiac arrhythmia, said system comprising ECG sensors (3) for providing patient heart data, a conditioning and interpreting circuitry (4) for processing the heart data, alarm generation means for generating an alarm, said conditioning and interpreting circuitry comprises a real-time evaluator ... 06/23/05 - 20050137489 - Method and apparatus for predicting arrhythmias using diurnal heart rate A method of predicting an arrhythmia, such as ventricular tachycardia, for example, in a medical device using a quantitative measure in order to allow assessment of patient risk and to enable preventative interventions by the device and clinicians. The trending of day and night average heart rates, along with patient ... ### FreshPatents.com Support |