Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yayun Lin0
Gerrard M. Carlson0
Date of Patent
May 10, 2011
0Patent Application Number
128130730
Date Filed
June 10, 2010
0Patent Primary Examiner
Patent abstract
A method comprises detecting at least one episode of ventricular tachyarrhythmia in a subject using an implantable medical device (IMD), sensing at least one heart sound signal for the subject using the IMD, the heart sound signal associated with mechanical vibration of a heart of the subject; initiating, in response to and during the detected episode of tachyarrhythmia, a measurement of hemodynamic stability of the ventricular tachyarrhythmia from the heart sound signal, and deeming whether the ventricular tachyarrhythmia is stable according to the measurement of hemodynamic stability. The measurement of hemodynamic stability is determined using linear prediction.
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