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7613514 Selective resynchronization therapy optimization based on user preference  
A method and system for calculating an atrio-ventricular delay interval based upon an inter-atrial delay exhibited by a patient's heart. The aforementioned atrio-ventricular delay interval may...
7606616 Calibration of adaptive-rate pacing using intrinsic chronotropic response  
Calibration of adaptive-rate pacing by a cardiac rhythm management system using an intrinsic chronotropic response. The cardiac rhythm management system may include an adaptive-rate pacing device....
7599741 Systems and methods for improving heart rate kinetics in heart failure patients  
Adaptive rate pacing for improving heart rate kinetics in heart failure patients involves determining onset and sustaining of patient activity. The patient's heart rate response to the sustained...
7596413 Coordinated therapy for disordered breathing including baroreflex modulation  
An approach to providing disordered breathing therapy involves the use of a plurality of therapy devices to deliver a coordinated disordered breathing therapy regimen to the patient. The plurality...
7596412 Opto-electrical coherence detection of hemodynamically compromising arrhythmia  
System and methods for assessing sensed signals for determining a reliability measure of their accuracy with respect to a patient's true physiological status. As one example, the signals can...
7580746 Implantable medical device for generating cardiac pressure-volume loop and optimizing therapy  
An implantable medical device for generating a cardiac pressure-volume loop, the implantable medical device comprising a pulse generator including control circuitry, a first cardiac lead including...
7570998 Acoustic communication transducer in implantable medical device header  
An implantable medical device is adapted for implantation into body tissue. The implantable medical device comprises a housing and a header coupled to the housing. A cavity is located in the...
7555344 Selective neurostimulation for treating epilepsy  
A method and device for treating epilepsy are disclosed which provide for electrical, chemical or magnetic stimulation of certain areas of the brain to modulate neuronal activity of areas...
7551962 Implantable medical device with voice responding and recording capacity  
An implantable medical device such as a cardiac pacemaker or implantable cardioverter/defibrillator with the capability of receiving communications in the form of speech spoken by the patient. An...
7548785 Collecting and analyzing sensed information as a trend of heart failure progression or regression  
An exemplary method includes selecting a cross-correlation frequency having an associated cross-correlation period, detecting and binning a heart rate in a heart rate bin, detecting and binning an...
7526338 Implantable cardiac device for monitoring diastolic heart failure and method of operation and use thereof  
An implantable cardiac device is used to measure one or more parameters relating to cardiac activity of a patient's heart, from which diastolic heart failure (“DHF”) may be monitored and/or...
7509164 Method and apparatus to detect and monitor the frequency of obstructive sleep apnea  
The present invention provides a method and apparatus for detecting and monitoring obstructive sleep apnea. The apparatus includes an intracardiac impedance sensor to measure intracardiac...
7493163 Rate-adaptive therapy with sensor cross-checking  
A method and system for automatically adjusting the operating parameters of a rate-adaptive cardiac pacemaker in which maximum exertion levels attained by the patient are measured at periodic...
7447545 Collecting posture information to evaluate therapy  
A medical device delivers a therapy to a patient. Posture events are identified, e.g., a posture of the patient is periodically determined and/or posture transitions by the patient are identified,...
7430448 Implantable cardiac device providing intrinsic conduction search with premature atrial contraction protection and method  
The extended AV interval of an auto intrinsic conduction search of an implantable cardiac stimulation device has premature atrial contraction protection. A timer times a base AV interval and the...
7404799 System and method for detection of respiration patterns via integration of intracardiac electrogram signals  
Techniques are provided for tracking patient respiration based upon intracardiac electrogram signals or other electrical cardiac signals. Briefly, respiration patterns are detected by integrating...
7392084 Demand-based cardiac function therapy  
A method and device for delivering cardiac function therapy on a demand basis. An implantable device for delivering cardiac function therapy is programmed to suspend such therapy at periodic...
7389143 Cardiopulmonary functional status assessment via metabolic response detection by implantable cardiac device  
An implantable cardiac device is configured and programmed to assess a patient's cardiopulmonary function by evaluating the patient's minute ventilation response. Such evaluation may be performed...
7389142 Heart monitoring device, system and method  
In an implantable heart-monitoring device and system, and a heart-monitoring method, a control circuit is connected to one or more sensors, a first of which is positionable in the coronary sinus...
7346394 Cardiac stimulation at high ventricular wall stress areas  
An apparatus and method for reversing ventricular remodeling with electro-stimulatory therapy. A ventricle is paced by delivering one or more stimulatory pulses in a manner such that a stressed...
7336997 Heart treatment equipment and heart treatment method  
Heart treatment equipment and a heart treatment method directed to prevention of a fatal arrhythmia by detecting a physical exercise or a mental stress by using a sensor and thereafter controlling...
7333854 Orthostatic cardiac output response pacer for heart failure patients and diabetic patients  
An exemplary method includes detecting a change in position, measuring cardiac output after the detecting a change in position and, based at least in part on the measuring cardiac output, deciding...
7319899 Sensing techniques for implantable medical devices  
The invention is directed to sensing techniques that can be executed by an implantable medical device (IMD). The sensing techniques exploit the fact that useful information can be sensed during the...
7315759 Implantable medical device with circulation delay measurement and therapy control  
Oxygen saturation data is monitored during a predefined window to obtain a measurement of circulation delay. The measured circulation delay is used as a basis for determining therapies, including...
7310551 Diagnostic gauge for cardiac health analysis  
A diagnostic gauge for cardiac health is described. Multiple parameters pertaining to a patent's cardiac health are distilled to a single diagnostic vector having an angle and a magnitude. The...
7286875 Monitoring ventricular contractions using an implantable stimulation device  
An implantable cardiac stimulation device is configured to measure selected ventricular contraction parameters and possibly apply stimulation therapy based on the ventricular contraction...
7286874 Ensemble averaging for evoked responses  
Exemplary methods and devices for analyzing intracardiac electrocardiograms (IEGMs) using ensemble averaging and/or an ensemble average. Various methods and/or devices are suitable for use with...
7277756 Risk of death indicator  
A system comprising an implantable medical device (IMD). The IMD comprises a ventricular heart signal sensing circuit to provide a ventricular heart signal, at least one sensor operable to provide...
7272443 System and method for predicting a heart condition based on impedance values using an implantable medical device  
Techniques are provided for predicting the onset of a heart condition within a patient based on impedance measurements. Briefly, overloads in fluid levels in the thorax and in ventricular...
7269459 Implantable cardiac device with selectable tiered sleep apnea therapies and method  
An implantable cardiac stimulation device treats apnea with either phrenic nerve stimulation pulses or cardiac stimulation pulses. The device includes an apnea detector that detects apnea of a...
7269458 Cardiopulmonary functional status assessment via heart rate response detection by implantable cardiac device  
An implantable cardiac device is configured and programmed to assess a patient's cardiopulmonary function by evaluating the patient's heart rate response. Such evaluation may be performed by...
7266411 Implantable cardiac stimulation device and method providing dynamic sensing configurations for bichamber stimulation and tachyarrhythmia detection  
An implantable cardiac stimulation device provides bichamber pacing and dynamic bichamber and single chamber sensing. The device includes a sensing circuit that senses activity of a heart, a lead...
7260431 Combined remodeling control therapy and anti-remodeling therapy by implantable cardiac device  
A method and device for delivering ventricular resynchronization pacing therapy in conjunction with electrical stimulation of nerves which alter the activity of the autonomic nervous system is...
7248923 Dual-use sensor for rate responsive pacing and heart sound monitoring  
An implantable medical device includes a dual-use sensor such as a single accelerometer that senses an acceleration signal. A sensor processing circuit processes the acceleration signal to produce...
7245965 Implantable cardiac device providing mode switching and automatic atrial sensitivity control and method  
An implantable cardiac stimulation device, mode switchable between atrial tracking and atrial non-tracking pacing modes includes a threshold control for controlling atrial sensing threshold. The...
7231250 Method and apparatus for the setting or adjustment of a cardiac pacemaker  
A method of setting or adjusting a cardiac pacemaker in a patient diagnosed with cardiac asynchrony, which method comprises the steps of: i) implanting cardiac pacing wires into at least the right...
7225022 Method of optimizing patient outcome from cardiac resynchronization therapy  
A method of data management for optimizing the patient outcome from the provision of cardiac resynchronization therapy (CRT) is described. This method describes a process by which sets of dynamic...
7225021 Differentiation of central sleep apnea and obstructive sleep apnea using an implantable cardiac device  
An implantable cardiac device is programmed to differentiate between central sleep apnea and obstructive sleep apnea. The implantable cardiac device utilizes a respiration-related parameter (e.g.,...
7218966 Multi-parameter arrhythmia discrimination  
An arrhythmia discrimination device and method involves receiving electrocardiogram signals and non-electrophysiologic signals at subcutaneous locations. Both the electrocardiogram-signals and...
7215997 Dynamic device therapy control for treating post myocardial infarction patients  
A cardiac rhythm management system includes an implantable device executing a dynamic pacing algorithm after an myocardial infarction (MI) event. The dynamic pacing algorithm dynamically adjusts...
7215996 Bi-ventricular heart stimulating device, system and method  
In an implantable heart stimulating device, system and method, electrical stimulation pulses are delivered to first and second ventricles of a heart with a variable time interval therebetween, and...
7212862 Cardiac stimulation device including sleep apnea prevention and treatment  
An implantable cardiac stimulation device comprises a physiologic sensor and one or more pulse generators. The physiologic sensor is capable of sensing a physiologic parameter. The pulse generators...
7206637 Cardiac pacing using sensed coronary vein blood temperature and left ventricular flow rate  
Methods of cardiac pacing involve sensing left ventricular electrical rhythms, sensing left ventricular blood flow rate, and sensing a coronary vein blood temperature. The methods further involve...
7203541 Real-time optimization of right to left ventricular timing sequence in bi-ventricular pacing of heart failure patients  
A system and automated method for assessing ventricular synchrony in ambulatory patients is provided including at least one mechanical sensor (e.g., accelerometer, tensiometric sensor, force...
7200440 Cardiac cycle synchronized sampling of impedance signal  
A cardiac rhythm management device for obtaining transthoracic impedance. The device comprises a sensor for obtaining a signal indicative of an action of a heart, an impedance measurement circuit...
7194306 Cardiac optimization through low-frequency analysis of hemodynamic variables  
A parameter in an implantable cardiac therapy device (ICTD) is optimized based on analysis of a hemodynamic signal. The method includes receiving a hemodynamic signal; filtering the hemodynamic...
7181283 System and method for controlling implantable medical device parameters in response to atrial pressure attributes  
In an implantable medical device a real-time left atrial pressure (“LAP”) signal obtained from a patient's heart is used as a feedback control mechanism to adjust one or more device parameters....
7181281 ICD using MEMS for optimal therapy  
An exemplary method includes detecting movement of an in vivo oscillator using one or more in vivo sensors, receiving information from at least one of the one or more sensors, and deciding whether...
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...
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...
Matches 1 - 50 out of 171 1 2 3 4 >