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Cardiac rate tracking in an implantable medical device

  • US 9,451,892 B2
  • Filed: 08/06/2015
  • Issued: 09/27/2016
  • Est. Priority Date: 08/18/2014
  • Status: Active Grant
First Claim
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1. A method of operation in an implantable cardiac device comprising:

  • analyzing cardiac data using a rate estimation method iteratively over time to yield a series of cardiac rate estimates;

    determining that the series of cardiac rate estimates establishes a first cardiac rate track; and

    following establishment of the first cardiac rate track, attempting a particular iteration of the rate estimation method and;

    determining that the cardiac data of the particular iteration fails to provide a cardiac rate; and

    interpolating a cardiac rate estimate using the first track.

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