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SYSTEM AND METHOD FOR MONITORING CARDIAC OUTPUT

  • US 20110004108A1
  • Filed: 11/14/2008
  • Published: 01/06/2011
  • Est. Priority Date: 11/16/2007
  • Status: Active Grant
First Claim
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1. A method for monitoring cardiac output (pulmonary blood flow) of a subject, the method including:

  • (i) measuring a first net pulmonary uptake or elimination of a breathed gas species by said subject at a first time;

    (ii) measuring a first partial pressure of said gas species in lungs of said subject at said first time;

    (iii) determining a first pulmonary blood flow of said patient at said first time;

    (iv) measuring a second net pulmonary uptake or elimination of said breathed gas species by said subject at a second time later than said first time;

    (v) measuring a second partial pressure of said gas species in lungs of said subject at said second time; and

    (vi) determining a pulmonary blood flow of said subject at said second time on the basis of said first pulmonary blood flow, said first net pulmonary uptake or elimination, said second net pulmonary uptake or elimination, said first partial pressure, and said second partial pressure.

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