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AUTOMATIC VENTILATOR CHALLENGE TO INDUCE SPONTANEOUS BREATHING EFFORTS

  • US 20130053717A1
  • Filed: 08/30/2011
  • Published: 02/28/2013
  • Est. Priority Date: 08/30/2011
  • Status: Abandoned Application
First Claim
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1. A ventilator-implemented method for stimulating spontaneous breathing efforts when carbon dioxide monitoring is available, the method comprising:

  • collecting ventilatory data associated with PaCO2 or a surrogate for PaCO2;

    processing the ventilatory data to determine a first target PaCO2 level;

    determining a first reduction in ventilation projected to achieve the first target PaCO2 level;

    providing a first ventilator challenge based on the first reduction in ventilation;

    determining whether spontaneous breathing efforts are detected in response to the first ventilator challenge; and

    when spontaneous breathing efforts are detected, identifying a successful PaCO2 level associated with the first ventilator challenge.

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