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METHOD TO ASSESS HEMODYNAMIC PERFORMANCE DURING CARDIAC RESYNCHRONIZATION THERAPY OPTIMIZATION USING ADMITTANCE WAVEFORMS AND DERIVATIVES

  • US 20130110190A1
  • Filed: 10/30/2012
  • Published: 05/02/2013
  • Est. Priority Date: 10/31/2011
  • Status: Abandoned Application
First Claim
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1. A medical device for delivering a cardiac therapy, comprising:

  • a plurality of electrodes;

    a therapy module to deliver cardiac pacing signals between the plurality of electrodes at a plurality of pacing rates;

    an admittance measurement module to determine admittance signals associated with each of the plurality of pacing rates; and

    a control unit configured to determine, for each pacing rate of the plurality of pacing rates, intervals between admittance signals associated with the pacing rate, compare the determined intervals, and determine a pacing rate of the plurality of pacing rates as an optimal rate for delivering the cardiac therapy in response to the determined intervals.

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