Multi-site cardiac stimulation device and method for detecting retrograde conduction
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United States of America Patent
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Aug 26, 2003
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N/A
app pub date -
Jun 13, 2001
filing date -
Jun 13, 2001
priority date (Note) -
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Abstract
An implantable cardiac stimulation device, such as a pacemaker, defibrillator and/or cardioverter, and an associated method that provide cardiac stimulation to at least two ventricular stimulation sites, within a single ventricle or across two ventricles. A high intrinsic atrial rate triggers a retrograde conduction detection routine when a high ventricular stimulation rate is sustained for a predetermined number of cycles during an atrial sensing mode. This routine interrupts concurrent stimulation, and alternates the stimulation output to the different ventricular sites.
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