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Atrial fibrillation detection using SPO2

  • US 20070255146A1
  • Filed: 04/26/2006
  • Published: 11/01/2007
  • Est. Priority Date: 04/26/2006
  • Status: Active Grant
First Claim
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1. A method of detecting atrial fibrillation in a human or animal subject, the method comprising:

  • acquiring a plethysmographic waveform of a patient from a monitoring device over a period of time;

    measuring a set of pulse intervals from the plethysmographic waveform;

    measuring a set of features from the plethysmographic waveform; and

    analyzing the set of pulse intervals and the set of pulse features from the plethysmographic waveform to determine an atrial fibrillation state of the patient.

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