Matches 101 - 150 out of 379 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
7085599 Characterization of supraventricular rhythm using collected cardiac beats  
The supraventricular rhythm of a patient's heart is characterized using cardiac beats collected during a plurality of time periods, some of which are noncontiguous. Pacing parameters may be...
7076298 Method and apparatus for prevention of arrhythmia clusters using overdrive pacing  
An implantable medical device that includes a microprocessor that characterizes cardiac activity of a patient to enable the implantable medical device to deliver therapy in response to an...
7076299 Method and apparatus for preventing heart tachyarrhythmia  
The invention is for a method for predicting an imminent episode of ventricular tachyarrhythmia by an analysis of the variations in the heart beat frequency during otherwise normal appearing sinus...
7076290 Method and apparatus for detecting and discriminating arrhythmias  
An apparatus and method for discriminating arrhythmias that includes sensing a heart rate indicative of an arrhythmia associated with a first portion of a heart, determining regularity of the...
7076289 Methods and apparatus for discriminating polymorphic tachyarrhythmias from monomorphic tachyarrhythmias facilitating detection of fibrillation  
Systems and methods that improving the specificity of discriminating between a monomorphic tachyarrhythmia and a polymorphic tachyarrhythmia are provided that examine frequency content and baseline...
7065398 Atrial tachycardia termination sensing  
Techniques for preventing inadvertent detection of AT termination may involve predicting potential undersensing of atrial events, and delaying detection of AT termination when undersensing of...
7062315 Automated template generation algorithm for implantable device  
A method of generating a template in an implantable medical device for implantation within a patient, and a processor readable medium for performing the method, that includes generating a template...
7062314 Cardiac rhythm management device with triggered diagnostic mode  
A device and method in which spectral analysis of heart rate variability is performed in order to assess autonomic balance. When a threshold level is reached, a diagnostic mode is triggered in...
7058444 Computer method and system for reading and analyzing ECG signals  
Computer method and apparatus for reading and analyzing ECG signals includes applying a plurality of heart condition detectors to a subject ECG signal. Each detector produces a respective...
7050846 Cardiac rhythm management system with arrhythmia prediction and prevention  
A cardiac rhythm management system predicts when an arrhythmia will occur and in one embodiment invokes a therapy to prevent or reduce the consequences of the arrhythmia. A cardiac arrhythmia...
7047067 Apparatus, methods, and computer program products for evaluating a risk of cardiac arrhythmias from restitution properties  
Methods, systems, and computer program products can be provided for evaluating a risk of the occurrence of cardiac arrhythmias in a heart. The system can include at least one sensing electrode and...
7027857 Method and system for improved measurement of T-wave alternans  
A method and system for improved measurement of T-wave alternans in an ECG signal is disclosed. The method and system comprise receiving digitized ECG data including a plurality of alternating...
7027856 Method for determining a metric of non-sustained arrhythmia occurrence for use in arrhythmia prediction and automatic adjustment of arrhythmia detection parameters  
An implantable medical device and associated method are provided for detecting non-sustained arrhythmias and determining a metric of non-sustained arrhythmias. The metric may be used for predicting...
7024242 Implantable cardiac stimulation device which recommends ablation therapy and method  
An implantable cardiac stimulation device provides a stimulation therapy or an atrial ablation recommendation responsive to detection of atrial flutter of a heart. The device includes a sensing...
7020514 Method of and apparatus for detecting atrial fibrillation  
A method and apparatus to determine possible atrial fibrillation that includes detecting irregular pulse rhythms from a succession of time intervals each corresponding to a respective interval of...
6998978 Method and apparatus for responding to medical alerts  
A method, system, and article of manufacture for responding to medical alerts, one embodiment of which comprises receiving a medical alert having an associated alert location, detecting a current...
6983183 Method and apparatus for monitoring cardiac patients for T-wave alternans  
A system to detect the presence or absence of T wave alternans is described based on statistical tests and periodicity transform. T wave and ST segment boundaries are detected in multi-lead ECG...
6980860 Detection of supraventricular tachycardia with 1:1 atrial to ventricular conduction  
The invention is directed to method and process for discriminating supraventricular tachycardia (SVT) with 1:1 atrial to ventricular conduction (AV conduction). Upon detection of a rapid heart...
6950696 Method and circuit for detecting cardiac rhythm abnormalities by analyzing time differences between unipolar signals from a lead with a multi-electrode tip  
A circuit and method for detecting cardiac rhythm abnormalities employ unipolar signals respectively obtained from a cardiac lead having a tip at which a number of separate electrodes are disposed,...
6934577 Risk monitoring  
A risk assessment device, in particular for the risk of a severe heart functional disorder such as sudden death due to heart disease, comprising an input unit which is adapted to record or read in...
6931273 Database of body surface ECG P wave integral maps for localization of left-sided atrial arrhythmias  
A system and method are provided for developing a database of body surface ECG P-wave maps for classification and localization of left-sided atrial arrhythmias. The system and method include...
6922584 Method and apparatus for discrimination atrial fibrillation using ventricular rate detection  
A method and apparatus for method for discriminating heart rhythms includes computing a first predetermined number of RR intervals from received QRS intervals, and computing a median RR interval...
6922585 Method and apparatus for predicting recurring ventricular arrhythmias  
An implantable medical device and method are provided for assessing autonomic tone and risk factors associated with arrhythmias and, based on this assessment, an early recurrence of ventricular...
6909916 Cardiac rhythm management system with arrhythmia classification and electrode selection  
A system, method, or device classifies an arrhythmia according to the temporal order in which a depolarization wave associated with a particular heart contraction is received at a plurality of...
RE38712 Method and apparatus for storing signals in an implantable medical device  
A method of storing signals having a course over time in an implantable medical device, and/or transmitting the signals out of the device and out of the patient's body, with the course over time...
6856831 Method for the early diagnosis of subacute, potentially catastrophic illness  
In one aspect of the invention, there is provided a method for early detection of subacute, potentially catastrophic illness in an infant. The method comprises: (a) monitoring heart rate...
6850795 Method of noninvasively determining a patient's susceptibility to arrhythmia  
A system and method for detecting a patient's susceptibility to arrhythmias and cardiac tissue abnormality is disclosed. The method consists of using a computer 27 , a display 23 , software...
6836681 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...
6824538 System for preventing sudden cardiac death by nerve sprouting from right stellate ganglion  
A system or apparatus is described for reducing the likelihood of the occurrence of ventricular arrhythmia in the heart of a patient having a myocardial infarction and an atrioventricular block,...
6804551 Method and apparatus for the early diagnosis of subacute, potentially catastrophic illness  
In one aspect of the invention, there is provided a method and apparatus for early detection of subacute, potentially catastrophic illness in a patient. The method comprises: (a) monitoring heart...
6801802 System and method for selecting physiological data from a plurality of physiological data sources  
A system for selecting physiological data from a plurality of physiological data sources includes first and second physiological data sources and a selection algorithm. The first physiological data...
6766195 Method and apparatus for detecting natural electrical coherence within the heart and for administering therapy based thereon  
Techniques are provided for detecting natural electrical coherence within the heart and for administering or adjusting therapy based upon whether natural electrical coherence is detected. In one...
6748272 Atrial interval based heart rate variability diagnostic for cardiac rhythm management system  
A cardiac rhythm management system acquires atrial heart rate variability data. The system provides a graphic or other indication of patient well-being based on the atrial heart rate variability...
6735466 Analytical signal method for analysis of T-wave alternans  
Alternans is measured in a physiological signal, such as an electrocardiogram, by processing the physiological signal to create a processed signal having an asymmetric spectrum, and processing the...
6731974 Method and system for measuring heart rate variability  
A system for measuring heart rate variability (HRV) of a patent comprises: recording means for obtaining and regulating heartbeat-to-heartbeat intervals for a predetermined period of time;...
6728572 System and method for classifying cardiac complexes  
A system and method classify cardiac complexes based on cardiac information derived from two or more cardiac signals. Two or more cardiac signals containing cardiac complexes are monitored. A...
6718197 LV ectopic density trending  
Ectopic beat activity detection of the human heart is monitored by time interval measurements of depolarizations in the heart. The intervals between beats are categorized as being long beats, short...
6658285 Continuous localization and guided treatment of cardiac arrhythmias  
Systems, devices, and methods localize and/or treat arrhythmias of a heart of a patient using signals sensed at an accessible body surface. Based on a database of known heart signals and associated...
6636761 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...
6609023 System for the detection of cardiac events  
Heart disease is the leading cause of death in the United States. A heart attack (also known as an Acute Myocardial Infarction (AMI)) typically results from a thrombus that obstructs blood flow in...
6597943 Method of using spectral measures to distinguish among atrialfibrillation, atrial-flutter and other cardiac rhythms  
A method and apparatus are provided for differentiating among atrial-flutter, atrial-fibrillation and other cardiac rhythms. The method includes the steps of estimating a spectral entropy of atrial...
6594520 Apparatus for processing physiological signals  
An apparatus for processing physiological signals, which includes a signal pick-up unit for picking up physiological measurement signals, in particular for picking up electrical signals of a heart,...
6587712 Portable electrocardiogram monitor  
A portable electrocardiogram monitor according to the present invention includes an electrode piece fixed in contact with the surface of a body of a user, for receiving an electrical signal...
6571120 Apparatus for identifying the circulatory effects of extrasystoles  
A cardiological device having a sensor, adapted to pick up at least one cardiac signal, and a signal processor including a first detector connected to the sensor, adapted to detect an individual...
6571122 Implantable medical device responsive to heart rate variability analysis  
A method and apparatus for evaluating heart rate variability of the heart of a person in order to forecast a cardiac event. A cardiac stimulator receives heart beat signals from the heart and...
6567691 Method and apparatus diagnosis and treatment of arrhythias  
Adaptive rules for a more accurate sinus tachycardia detection mechanism for implantable device (IMD) and other devices. In an embodiment, the rule is incorporated into a prioritized, rule-based...
6532382 Method for calculating the heart rate variability for being applied in an ECG monitor, and ECG monitor comprising an appropriate calculation program  
A method of calculating the heart rate variability of the human heart to be used in an ECG monitor comprises the following procedural steps: scanning of the ECG signal received from the ECG...
6532381 Patient monitor for determining a probability that a patient has acute cardiac ischemia  
A patient monitor for determining a probability that a patient has acute cardiac ischemia including an input device connectable to a patient to acquire electrocardiogram (ECG) signals from the...
6526313 System and method for classifying cardiac depolarization complexes with multi-dimensional correlation  
A system and method for classifying cardiac depolarization complexes in which waveforms of a depolarization complex are sensed by separate electrodes and correlated with template waveforms of a...
6516219 Arrhythmia forecasting based on morphology changes in intracardiac electrograms  
A method and apparatus for forecasting arrhythmia based on real-time intact intracardiac electrograms. Real-time changes in the electrograms that may be used to predict an impending arrhythmia are...
Matches 101 - 150 out of 379 < 1 2 3 4 5 6 7 8 >