End-Tidal Gas Estimation System and Method

  • US 20080228096A1
  • Filed: 03/12/2008
  • Published: 09/18/2008
  • Est. Priority Date: 03/15/2007
  • Status: Active Grant
First Claim
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1. A method of indicating the reliability of an end-tidal gas value comprising:

  • measuring a plurality of gas concentration values;

    measuring a plurality of ventilation values;

    determining an end-tidal gas value from the gas concentration values;

    determining the degree of ventilatory stability from the ventilation values; and

    providing an estimate of reliability of the end-tidal gas values using the degree of ventilatory stability.

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