Matches 51 - 100 out of 379 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
7272435 System and method for sudden cardiac death prediction  
A device that calculates a sudden cardiac death score based on acquired patient data. A system and method that combines independent indications of sudden cardiac death to predict sudden cardiac...
7269454 Methods and devices to guide therapy for ventricular fibrillation based on waveform analysis and survival benefit analysis  
A method of determining a state of ventricular fibrillation from a waveform, includes: performing calculations on the Fourier transform of the waveform voltage values by using the quotient of the...
7266410 Method and system for the prediction of cardiac arrhythmias, myocardial ischemia, and other diseased condition of the heart associated with elevated sympathetic neural discharges  
Methods and systems are provided for determining an increased likelihood of the occurrence of a cardiac arrhythmia, myocardial ischemia, congestive heart failure and other diseased conditions of...
7266409 Method and apparatus for determining oversensing in a medical device  
A method and apparatus for determining oversensing in an implantable medical device that includes sensing a first cardiac signal and detecting cardiac events via a first electrode configuration,...
7257443 Method and apparatus for detecting oscillations in cardiac rhythm with electrogram signals  
A cardiac rhythm management device is configured to detect oscillations in cardiac rhythm by comparing electrogram signals during successive heart beats. Upon detection of electrical alternans, the...
7251525 Treatment of arrhythmias via inhibition of a multifunctional calcium/calmodulin-dependent protein kinase  
This invention provides a method for treating or preventing arrhythmias in a human subject comprising the administration of an effective amount of a calcium/calmodulin-dependent protein kinase...
7242978 Method and apparatus for generating a template for arrhythmia detection and electrogram morphology classification  
An implantable medical device and associated method for automatically generating morphology templates during fast cardiac rhythms, confirming a provisional template as a confirmed template, and...
7233822 Combination of electrogram and intra-cardiac pressure to discriminate between fibrillation and tachycardia  
A system and method for detecting and classifying cardiac arrhythmias based on cardiac pressure signals or the combination of cardiac electrical and cardiac pressure signals. A cardiac electrogram...
7231244 Method and arrangement for predicting perioperative myocardial ischemia  
A method and an arrangement for predicting perioperative myocardial ischemia. Heart rate measurements are carried out for example at night- and day-time before the operation to obtain heart rate...
7221976 Analysis of the alternans cycle to cycle and/or the variability of the ventricular repolarization wave in an ECG signal  
A device for the analysis of the alternans cycle to cycle and/or the variability of the ventricular repolarization wave in an ECG signal. This device extracts from an ECG signal, for each cardiac...
7215992 Method for ischemia detection by implantable cardiac device  
A cardiac device in which heart rate variability is computed in order to detect changes indicative of cardiac ischemia. In the case where the device is a pacemaker, the device may alter its pacing...
7215993 Cardiac rhythm management systems and methods for detecting or validating cardiac beats in the presence of noise  
This document describes systems, devices, and methods for detecting or validating cardiac beats, such as in the presence of myopotential or other noise. In one example, an amplitude peak, which is...
7212849 Methods and apparatuses for arrhythmia detection and classification using wireless ECG  
A CRM system enhances intracardiac electrogram-based arrhythmia detection using a wireless electrocardiogram (ECG), which is a signal sensed with implantable electrodes and approximating a surface...
7206633 Device and method to discriminate between supraventricular tachycardias and ventricular arrhythmias  
A method discriminates between ventricular arrhythmia and supraventricular tachycardia by detecting an earliest arriving electrical signal following anti-tachycardia pacing. An implantable cardiac...
7190996 Monitor for early detection of ischemic heart disease  
A monitor for early detection of an ischemic heart disease of a patient has an impedance measurement unit including an electrode arrangement for measuring an intracardiac impedance and generating a...
7190999 Cardio-pulmonary resuscitation device with feedback from measurement of pulse and/or blood oxygenation  
An apparatus for assisting a rescuer in performing CPR on a victim. The apparatus comprising at least one of a pulse sensor for measuring the pulse rate of the victim and an SpO2 sensor for...
7187965 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...
7187966 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...
7184815 System and method for selection of morphology templates  
A template selection method involves providing a plurality of templates representing a type of cardiac event. One or more characteristics of each template are evaluated. The evaluations are...
7184816 Cardiac stimulating and detecting device, system and method for identifying far field signals  
In an implantable heart stimulating device, system and method, a control circuit has first and second circuits for sensing and pacing. The first circuit can be connected to a first electrode member...
7181269 Implantable device that diagnoses ischemia and myocardial infarction and method  
An implantable device detects and discriminates between ischemia and myocardial infarction. The device includes a plurality of electrodes that provide a plurality of cardiac activity sensing...
7181282 Implantable cardiac device with PVC density monitoring, and therapy control and method  
An implantable cardiac device provides a learned premature ventricular contraction density function responsive to detected premature ventricular contractions. A current premature ventricular...
7181277 Methods and systems for reducing the likelihood of arrhythmia onset  
Various embodiments are directed to providing systems and methods that can reduce the likelihood of arrhythmia onset by effecting a treatment, responsive to a detected premature event, that mimics...
7181270 Arrangement for predicting tachyarrhythmia  
An arrangement 10 for predicting tachyarrhythmia of a heart has a detection means 12 and an evaluation unit 18 . The detection means 12 picks up electrical signals from the heart. The...
7177685 Classifying tachyarrhythmia using time interval between ventricular depolarization and mitral valve closure  
A cardiac rhythm management system measures a time interval between a first fiducial marker indicative of a ventricular depolarization (e.g., a Q-wave, an R-wave, etc.) and a second fiducial marker...
7174205 Cardiac diagnostic system and method  
Computer method and apparatus of analyzing ECG signals of a subject include receiving a subject electrocardiogram signal and comparing it against signal patterns of known cardiac syndromes. A...
7174204 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...
7174209 Algorithm for discrimination of 1:1 tachycardias  
An algorithm for detection of tachycardias and for discriminating between supraventricular tachycardia (SVT) and ventricular tachycardia (VT) when a 1:1 tachycardia condition is present that can be...
7171260 Ectopic beat detection algorithm for implantable cardiac rhythm management device  
A method implemented in a dual chamber cardiac rhythm management device for identifying non-sinus ventricular depolarizations following an atrial event. The PR interval for a sensed ventricular...
7171265 Apparatus and method for detecting lead adequacy and quality  
A method and system for detecting lead adequacy and quality for leads used in devices that sense or deliver low levels of electromagnetic energy. The system includes leads attached to a package...
7167747 Identification of oversensing using sinus R-wave template  
A method and apparatus delivering therapy in an implantable medical device that includes sensing a first cardiac signal and detecting cardiac events via a first electrode configuration, determining...
7151958 System and method of classifying tachyarrhythmia episodes as associated or disassociated  
A method and system for classifying tachyarrhythmia episodes as associated or disassociated. Primary and auxiliary depolarizations are detected from different cardiac regions during a tachycardia...
7149569 Apparatus and method for improved morphology discrimination in an implantable cardioverter defibrillator  
A system and method for enhancing classification of tachycardias. The tachycardias are associated with a sequence of sensed cardiac complexes, each having a calculated morphology score. The method...
7146205 Methods for determining whether to provide an inhibitor of sympathetic nervous system activity to a human being suffering from an autoimmune disease or fibryomyalgia  
The present invention provides methods for determining whether to provide an inhibitor of sympathetic nervous system activity to a human being suffering from an autoimmune disease and/or...
7142911 Method and apparatus for monitoring drug effects on cardiac electrical signals using an implantable cardiac stimulation device  
An implantable cardiac stimulation device, such as a pacemaker or Implantable Cardioverter Defibrillator, is configured to automatically monitor the effects of antiarrhythmic drugs on cardiac...
7139604 Cardiac stimulation system and method for discriminating sinus from non-sinus events  
A cardiac stimulation device and method discriminates sinus events from non-sinus events and provide a uniquely prescribed response upon detection of a specific event.
7136694 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...
7136693 Method and apparatus for generating a twelve-lead ECG from fewer than ten electrodes  
A method and apparatus for acquiring and processing electrical signals produced by a patient's heart. The apparatus includes fewer than ten electrodes for attachment to the patient. Each electrode...
7130681 Use of accelerometer signal to augment ventricular arrhythmia detection  
A system and method for detecting and discriminating atrial arrhythmias based on mechanical signals of cardiac wall motion and electrical signals of cardiac depolarizations. A mechanical event rate...
7130677 Methods and apparatus for discriminating polymorphic tachyarrhythmias from monomorphic tachyarrhythmias facilitating detection of fibrillation  
Methods and apparatus are provided for discriminating high rate polymorphic QRS complexes from high rate monomorphic QRS complexes to increase the specificity of detection of polymorphic VT and VF...
7127290 Cardiac rhythm management systems and methods predicting congestive heart failure status  
This document describes, among other things, systems, devices, and methods for predicting how the status of the patient's congestive heart failure (CHF) condition will progress in the future. In...
7123953 Method and system for evaluating arrhythmia risk with QT-RR interval data sets  
A method of assessing the cardiac arrhythmia risk in a subject to provide a measure of cardiac or cardiovascular health in that subject is described herein. In one embodiment, the method comprises...
7120485 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...
7120484 Methods and apparatus for filtering EGM signals detected by an implantable medical device  
An analog physiologic signal, e.g., the cardiac EGM, sensed by an IMD is filtered with a high pass filter (HPF), the cut-off frequency of the HPF being within a predetermined frequency bandwidth,...
7117030 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...
7117029 Method of and apparatus for deriving indices characterizing atrial arrhythmias  
In a method of and apparatus for deriving indices characterizing atrial arrhythmias, a temporally isolated portion of a digital representation of a time-domain electrical signal originating from...
7107096 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....
7103404 Detection of tachyarrhythmia termination  
Determining termination of an identified tachyarrhythmia episode may involve analysis of a relative decrease in tachyarrhythmia rate, a normalization of electrogram morphology criteria, or both. An...
7092751 Detection of atrial arrhythmia  
The invention relates to a method and system for detecting atrial arrhythmia, especially atrial fibrillations. Based on at least one electrical signal indicative of a heart's activity, a plurality...
7089049 Removing polarization artifacts from electrical activity signals to detect cardiac evoked response  
A medical device is directed to techniques for removing polarization artifacts from electrical activity signals in order to detect presence of an evoked response. More specifically, a medical...
Matches 51 - 100 out of 379 < 1 2 3 4 5 6 7 8 >