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METHOD AND APPARATUS FOR POST-SHOCK EVALUATION USING TISSUE OXYGENATION MEASUREMENTS

  • US 20110066018A1
  • Filed: 10/30/2009
  • Published: 03/17/2011
  • Est. Priority Date: 09/11/2009
  • Status: Active Grant
First Claim
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1. A method of delivering therapy in a medical device, comprising:

  • emitting light at a predetermined emitted light intensity to a volume of tissue at a plurality of wavelengths;

    detecting the emitted light scattered by the volume of tissue to generate corresponding detected light intensity output signals;

    adjusting the detected light intensity output signals for shifts in intensity corresponding to the emitted light intensity;

    determining a tissue oxygenation index in response to only the adjusted detected light intensity output signals; and

    controlling deliver of therapy in response to the determined tissue oxygenation index.

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