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Steven D Girouard, Jeffrey E Stahmann, Robert J Sweeney, Bruce H KenKnight: Cardiac rhythm management systems and methods predicting congestive heart failure status. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, October 24, 2006: US07127290 (160 worldwide citation)

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 one example, a therapy is provided or adjusted at least in part in response to the prediction.


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Badri Amurthur, Steven D Girouard, Imad Libbus: Distributed neuromodulation system for treatment of cardiovascular disease. Cardiac Pacemakers, Schwegman Lundberg Woessner P A, February 16, 2010: US07664548 (129 worldwide citation)

A distributed system is described that employs electrical neural stimulation to modulate autonomic activity and which allows titration of the neural stimulation therapy in accordance with physiological measurements reflective of autonomic activity and/or physiological variables affected by the neura ...


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Avram Scheiner, Mark Herner, Ronald W Heil Jr, Steven D Girouard: Drug delivery system for implantable cardiac device. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, March 26, 2002: US06361522 (114 worldwide citation)

A drug delivery system incorporated into a cardiac device for delivering a dose of a drug to a patient upon detection of a particular medical condition. The cardiac device may be, for example, an implantable cardioverter/defibrillator, cardiac pacemaker, or combination device that communicates via a ...


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Joseph M Pastore, Steven D Girouard: Methods and apparatuses for localizing myocardial infarction during catheterization. Cardiac Pacemakers, Schwegman Lundberg & Woessner P A, December 29, 2009: US07640046 (78 worldwide citation)

A catheter with a tissue property sensor provides for localization of myocardial infarction (MI) by utilizing one or more differences between properties of infarcted myocardial tissue and properties of normal myocardial tissue. The tissue property sensor is to be placed on endocardial wall or epicar ...


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Joseph M Pastore, Steven D Girouard: Method and apparatus for assessing and treating myocardial wall stress. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, November 15, 2005: US06965797 (52 worldwide citation)

An apparatus and method for assessing myocardial wall stress is disclosed. The method may be used in conjunction with electro-stimulatory therapy for preventing or reversing ventricular remodeling. In such therapy, one or more stimulatory pulses are delivered to the heart such that a stressed region ...


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Steven D Girouard, Qingsheng Zhu: Implantable device for delivering cardiac drug therapy. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, July 4, 2006: US07072711 (51 worldwide citation)

An implantable medical device in which an electrogram is recorded and analyzed in order to detect changes indicative of cardiac ischemia. Cardiac ischemia may be detected by recording an electrogram from a sensing channel of the device and comparing the recorded electrogram with a reference electrog ...


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Lili Liu, Randy Westlund, Steven D Girouard: His bundle mapping, pacing, and injection lead. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, July 17, 2007: US07245973 (46 worldwide citation)

A cardiac rhythm management system includes a lead assembly for intracardiac mapping, pacing, and drug delivery. The lead assembly includes an implantable endocardial lead having a proximal end for connection to an implantable cardiac rhythm management device and a distal end for disposal in an intr ...


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Alan F Marcovecchio, Milton M Morris, Steven D Girouard, Douglas J Lang: Delivery of atrial defibrillation shock based on estimated QT interval. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, January 28, 2003: US06512951 (38 worldwide citation)

An apparatus and method for delivering electrical shock therapy in order to treat atrial tachyarrhythmias such as fibrillation is disclosed. In accordance with the method, atrial defibrillation shocks are delivered synchronously with an R wave if the current R-R interval meets one or more safety cri ...


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Joseph M Pastore, Steven D Girouard: Stress reduction pacing mode for arrhythmia prevention. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, June 20, 2006: US07065405 (30 worldwide citation)

An apparatus and method preventing cardiac arrhythmias with pacing therapy is disclosed. Upon detection of a pre-arrhythmic condition, an implantable cardiac rhythm management device is configured to deliver pacing therapy in a manner that pre-excites particular myocardial sites that have been ident ...