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RR interval monitoring method and blood pressure cuff utilizing same

DC
  • US 8,417,326 B2
  • Filed: 08/04/2008
  • Issued: 04/09/2013
  • Est. Priority Date: 08/02/2007
  • Status: Active Grant
First Claim
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1. An Atrial Fibrillation (AF) analysis method comprising:

  • obtaining an output that includes a heart beat;

    deriving a heart beat interval;

    analyzing a number (N) of heart beat intervals from the output; and

    detecting a likelihood of AF by;

    calculating a Turning Points Ratio (TPR) of the N heart beat intervals;

    calculating a root mean square of successive (RMSSD) heart beat intervals; and

    calculating Shannon Entropy (SE) of the N heart beat intervals.

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