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Diagnosis and/or therapy using blood chemistry/expired gas parameter analysis

  • US 7,970,470 B2
  • Filed: 08/30/2004
  • Issued: 06/28/2011
  • Est. Priority Date: 09/18/2003
  • Status: Expired due to Fees
First Claim
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1. A method of providing disordered breathing therapy for a patient whose respiration cycle includes inspiration and expiration intervals, comprising:

  • providing a patient-external respiratory therapy and a patient-internal cardiac therapy to a patient, the respiratory therapy being adapted to treat disordered breathing;

    measuring an expired respiratory gas concentration of an expired respiratory gas sample acquired at the end of an expiration interval of the patient as determined by a timing element, the measured expired respiratory gas concentration representative of blood gas concentration;

    determining one or more parameters influenced by disordered breathing, the one or more parameters comprising at least the expired respiratory gas concentration;

    providing one or more parameter thresholds comprising at least an expired respiratory gas threshold; and

    adjusting the respiratory therapy and the cardiac therapy based on the one or more parameters and the one or more parameter thresholds.

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