Endocardial pacing devices and methods useful for resynchronization and defibrillation
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United States of America Patent
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Sep 24, 2013
Grant Date -
Feb 16, 2012
app pub date -
Aug 17, 2011
filing date -
Dec 20, 2004
priority date (Note) -
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Abstract
According to one aspect, various methods and apparatus are used for treating a condition of a patient's heart, and for monitoring cardiac operation. In one approach consistent therewith, an electrode arrangement is placed in a right ventricle of the heart. The electrode arrangement is used to capture the myocardium for re-synchronization of the left and right ventricles by providing first and second signal components having opposite polarity on respective electrodes. The electrode arrangement is connected to an implantable CRM device that has the capability of pacing/sensing atrium, pacing/sensing ventricles, and deliver defibrillation therapy from the right side of the heart. The CRM device captures ventricular contractions to treat conduction abnormalities in one or more of the ventricles.
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