Tachycardia hemodynamics detection based on cardiac mechanical sensor signal regularity
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United States of America Patent
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Jul 24, 2012
Grant Date -
May 21, 2009
app pub date -
Sep 10, 2008
filing date -
Nov 21, 2007
priority date (Note) -
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Abstract
Systems and methods provide for sensing, within a patient and during an event of tachycardia, a signal indicative of a mechanical response of the patient's heart to the tachycardia. Regularity of the signal relative to a threshold established for the patient is determined. A state of patient hemodynamics during the tachycardia event is determined based at least in part on the regularity of the signal. One or more anti-tachycardia therapies to treat the tachycardia may be selected based at least in part on the determined state of patient hemodynamics. The selected one or more anti-tachycardia therapies may be delivered to treat the tachycardia.
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