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Detecting and quantifying apnea using ventilatory cycle histograms

  • US 7,413,549 B1
  • Filed: 03/17/2004
  • Issued: 08/19/2008
  • Est. Priority Date: 03/17/2004
  • Status: Active Grant
First Claim
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1. A method comprising:

  • deriving a ventilation related parameter in real-time from a patient;

    deriving apneic intervals from the parameter;

    distributing the apneic intervals as counts on a histogram;

    calculating a centroid for each cluster of counts on the histogram diagnosing apnea as a function of the centroids; and

    and delivering therapy to the patient in response to the detection of apnea.

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