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9037236 Method and system to select a neurostimulation system configuration based on cardiac rhythm feedback  
Methods and systems are provided to control a configuration of a neural stimulation (NS) system having an NS device coupled to an NS lead. The methods and systems change between configurations of...
9031649 Reducing inappropriate delivery of therapy for suspected non-lethal arrhythmias  
An implantable medical device (IMD) identifies suspected non-lethal ventricular arrhythmia, and takes one or more actions in response to the identification to avoid or delay delivery of a...
8996101 Heart sound sensing to reduce inappropriate tachyarrhythmia therapy  
A method and device for detecting a cardiac event that includes sensing cardiac electrical signals representative of electrical activity of a heart of a patient, detecting the cardiac event in...
8983600 Method and apparatus for safety control during cardiac pacing mode transition  
A cardiac pacing system introduces a transitional period when pacing mode changes, such as when pacing starts and stops, or when one or more pacing parameter values change substantially. For each...
8965495 Implantable electronic therapy device  
An implantable electronic therapy device, having a therapy unit, a heart rate capturing unit, a contractility determination unit, and an evaluation and control unit. The therapy unit delivers an...
8965503 Systems and methods for treating supraventricular arrhythmias  
In various method embodiments, a supraventricular arrhythmia event is detected, and a supraventricular arrhythmia treatment, including neural stimulation to elicit a sympathetic response, is...
8965504 Systems and methods of characterizing mechanical activation patterns for rhythm discrimination and therapy  
An implantable sensor circuit can be configured to generate a first sensor signal representative of mechanical activation of a first chamber of a heart of a subject and a second sensor signal...
8965505 Utilization of morphology discrimination after undersensing determination for underlying rhythms in the therapy zone  
A medical device and method for detecting and classifying cardiac rhythm episodes that includes a sensing module to sense cardiac events, a therapy delivery module, and a detection module...
8948867 Capture detection with cross chamber backup pacing  
In connection with capture detection for a heart chamber with backup pacing in a contralateral heart chamber, a cardiac signal of the first heart chamber is sensed following delivery of a pacing...
8929983 Reverse hysteresis and mode switching for intermittent pacing therapy  
Cardioprotective pre-excitation pacing may be applied to stress or de-stress a particular myocardial region delivering of pacing pulses in a manner that causes a dyssynchronous contraction. Such...
8914106 Utilization of morphology discrimination after T-wave oversensing determination for underlying rhythms in the therapy zone  
A medical device and method for detecting and classifying cardiac rhythm episodes that includes a sensing module to sense cardiac events; a therapy delivery module, and a detection module...
8909337 System to treat AV-conducted ventricular tachyarrhythmia  
Various aspects of the present subject matter provide devices and methods to treat AV-conducted ventricular tachyarrhythmia (AVCVT). According to various embodiments of the method, an AVCVT is...
8903490 Methods and systems for recognizing arrhythmias using neural stimulation  
In various method embodiments for classifying an arrhythmia, a characteristic of a ventricle is sensed before delivering a diagnostic neural stimulation. The diagnostic neural stimulation is...
8886296 T-wave oversensing  
The present disclosure is directed to the classification of cardiac episodes using an algorithm. In various examples, an episode classification algorithm evaluates electrogram signal data to...
8886309 Apparatus for and method of terminating a high frequency arrhythmic electric state of a biological tissue  
For terminating a high frequency arrhythmic electric state of a biological tissue an electric signal representative of the present electric state of the biological tissue is obtained. From the...
8874208 Methods and devices for three-stage ventricular therapy  
Methods and apparatus for a three-stage ventricular cardioversion and defibrillation therapy that treats ventricular tachycardia and fibrillation at low energy levels. An implantable therapy...
8862214 Cardiac condition detection system  
A system is provided which processes cardiac condition data representative of heart electrical signals to identify a cardiac condition. An acquisition processor is conditioned for acquiring data...
8855762 Method and apparatus for cardiac protection pacing  
A pacing system delivers cardiac protection pacing to protect the heart from injuries associated with ischemic events. The pacing system detects an ischemic event and, in response, initiates one...
8855763 Method and apparatus for selecting and timing anti-tachyarrhythmia pacing using cardiac signal morphology  
A cardiac rhythm management (CRM) system includes an implantable medical device that delivers anti-tachyarrhythmia therapies including ATP. When a tachyarrhythmia episode is detected, the...
8838240 Hemodynamic status assessment during tachycardia  
Systems and methods provide for sensing, during an event of tachycardia, hemodynamic signals concurrently from at least two spatially separated locations within a patient, and quantifying a...
8831723 Pace discrimination of tachycardia using atrial-ventricular pacing  
A cardiac medical device and associated method control delivery of dual chamber burst pacing pulses in response to detecting tachycardia. A number of cardiac cycles occurring in a first cardiac...
8831719 External defibrillator with charge advisory algorithm  
An external defibrillator includes a therapy delivery circuit, a sensor, and a processor. The therapy delivery circuit is configured to be electrically charged and to deliver electrical therapy to...
8812102 Sensor response delay for hemodynamic stability detection during arrhythmia  
An apparatus comprises a cardiac signal sensing circuit, a physiologic sensor circuit configured to provide a physiologic sensor signal representative of mechanical cardiac activity, a therapy...
8812107 Terminating tachyarrhythmias  
This disclosure is directed to techniques for treating tachyarrhythmias, such as atrial or ventricular fibrillation, in which a number of electrodes are employed to deliver electrical stimulation...
8792971 Method and apparatus for identifying oversensing using far-field intracardiac electrograms and marker channels  
A method for identifying oversensing in implantable medical devices (IMDs), such as implantable cardioverter defibrillators (ICDs), is described. A near-field electrogram signal and a far-field...
8792998 Devices, systems and methods for efficient identification of improved CRT parameters  
Methods, systems and devices efficiently identify cardiac resynchronization therapy (CRT) pacing parameter set(s) that provide improved hemodynamic response relative to an initial CRT pacing...
8792979 Method and apparatus for preventing cardiac arrhythmias with endovascular stimulation  
Certain cardiac arrhythmias can be prevented by appropriate electrical stimulation of autonomic nerves innervating the heart. An implantable cardiac rhythm management device is configured to...
8774918 Implantable medical device crosstalk evaluation and mitigation  
Electrical crosstalk between two implantable medical devices or two different therapy modules of a common implantable medical device may be evaluated, and, in some examples, mitigated. In some...
8750993 Multi-site pacing for atrial tachyarrhythmias  
Tachyarrhythmia is treated by applying anti-tachycardia pacing through at least one multi-site electrode set located on, in or around the heart. The electrode set is arranged and located such that...
8750994 Morphology-based discrimination algorithm based on relative amplitude differences and correlation of imprints of energy distribution  
Techniques for morphologic discrimination between beats of a tachyarrhythmia episode are described for selecting delivery of appropriate therapy. An exemplary method comprises nonordered binning...
8731662 Apparatus and method for the detection and treatment of atrial fibrillation  
Embodiments of the invention provide methods for the detection and treatment of atrial fibrillation (AF) and related conditions. One embodiment provides a method comprising measuring electrical...
8731663 Vagal stimulation during atrial tachyarrhythmia to facilitate cardiac resynchronization therapy  
The disclosure describes techniques for delivering vagal stimulation to decrease the ventricular rate response during an atrial tachyarrhythmia, such as atrial fibrillation. Decreasing the...
8725258 Method and apparatus for automated adjustment of arrhythmia detection duration  
A cardiac rhythm management (CRM) system delivers anti-tachyarrhythmia therapies and uses patient-specific and/or tachyarrhythmia event-specific information to automatically set and adjust one or...
8725259 Vagal stimulation  
The disclosure herein relates generally to methods for treating heart conditions using vagal stimulation, and further to systems and devices for performing such treatment. Such methods may include...
8718750 Heart stimulator and method for A-V delay optimization  
Exemplary methods and apparatuses are disclosed that provide for determination of an atrio-ventricular delay on a beat-to-beat basis by determining a P-wave duration from electric signals...
8718762 Pace discrimination of tachycardia using atrial-ventricular pacing  
A cardiac medical device and associated method control delivery of dual chamber burst pacing pulses in response to detecting tachycardia. In one embodiment, a single chamber pacing pulse is...
8718763 Vagal stimulation  
The disclosure herein relates generally to methods for treating heart conditions using vagal stimulation, and further to systems and devices for performing such treatment. Such methods may include...
8712525 Method and apparatus for closed-loop control of anti-tachyarrhythmia pacing using hemodynamic sensor  
A cardiac rhythm management (CRM) system includes an implantable medical device that delivers anti-tachyarrhythmia therapies including anti-tachyarrhythmia pacing (ATP) and a hemodynamic sensor...
8706224 Systems and methods for paired/coupled pacing and dynamic overdrive/underdrive pacing  
Techniques are described for use with an implantable cardiac stimulation device for performing paired/coupled pacing either alone or in conjunction with dynamic overdrive/underdrive pacing. In one...
8706220 Method and apparatus for detecting and treating tachyarrhythmias incorporating diagnostic/therapeutic pacing techniques  
An implantable medical device (IMD) and methods of operating the same to treat a tachyarrhythmia are disclosed herein. In accordance with this method, an arrhythmia of the heart is classified...
8706221 Method and device for delivering anti-tachycardia pacing therapy  
A method and device for delivering anti-tachycardia pacing (ATP) therapy that includes an electrode to sense cardiac signals and to deliver the therapy, sensing circuitry, electrically coupled to...
8700155 System and method for using atrial pacing to enhance function of stunned atrial myocardium following conversion to normal sinus rhythm  
An implantable medical device (IMD) having a therapy circuit for delivering atrial pacing and a control circuit for detecting a return to sinus rhythm. The control circuit determines the duration...
8700138 Methods and devices for determination of arrhythmia rate zone thresholds  
Approaches for determining threshold values for one or more arrhythmia rate zones and/or the number of rate zones are described. A probability function for heart rate is determined using collected...
8694097 Multi-channel sensing methods in implantable cardiovertor defibrillators  
An implantable medical device uses an implantable sensor for acquiring a physiological signal that is received by a digital signal processor. The digital signal processor is a multi-channel signal...
8694094 Adaptive single site and multi-site ventricular pacing  
An exemplary method includes delivering a cardiac pacing therapy using an electrode configuration for left ventricular, single site pacing or left ventricular, multi-site pacing, measuring a...
8688204 Therapy delivery for identified tachyarrhythmia episode types  
Methods and systems for identifying tachyarrhythmia episode types and delivering therapy to mitigate the identified tachyarrhythmia episode types are described. Electrogram signals of cardiac...
8676305 Automated analysis of complex fractionated electrograms  
A method for mapping abnormal electrical activity, including obtaining electrical signal data from respective locations in a heart of a living subject, and automatically analyzing the signal data...
8676304 Ischemia monitoring system for patients having periods of left bundle branch block  
A device for detecting cardiac ischemia is disclosed. The device includes a processor that is configured to distinguish between two different heart beats types such as left bundle branch block...
8666489 Devices for tachyarrhythmia sensing and high-pass filter bypass  
The present invention, in illustrative embodiments, includes devices for analyzing cardiac signals in an implantable cardiac stimulus system. Within the analysis, a threshold may be defined...
8660643 Non-sustained tachyarrhythmia analysis to identify lead related condition  
Techniques for determining whether a lead related condition exists based on analysis of a cardiac electrical signal associated with a non-sustained tachyarrhythmia (NST) are described. In some...