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Method and system for determination of pulse rate

  • US 8,282,567 B2
  • Filed: 04/18/2006
  • Issued: 10/09/2012
  • Est. Priority Date: 03/18/2003
  • Status: Active Grant
First Claim
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1. A method of determining pulse rate of a patient comprising:

  • determining pulse period data in a microprocessor from pulses that meet predetermined criteria, wherein the predetermined criteria are selected so that a minimum number of pulse periods can be used to determine pulse rate, and wherein the minimum number of pulse periods is equal to or greater than a minimum required number of pulse periods;

    determining a median pulse period;

    evaluating whether an earlier pulse period is within a predetermined threshold of the median pulse period;

    identifying pulse periods that are equal to half or double the median pulse period; and

    determining the pulse rate in the microprocessor from the pulse period data.

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