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IMPLANTABLE HEART FAILURE MONITOR

  • US 20110106201A1
  • Filed: 10/30/2009
  • Published: 05/05/2011
  • Est. Priority Date: 10/30/2009
  • Status: Abandoned Application
First Claim
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1. A method for monitoring a heart failure patient, the method comprising:

  • sensing a first signal responsive to oxygen availability in an extravascular volume of skeletal muscle tissue in the patient and computing a tissue oxygenation measurement using the first signal;

    detecting a change in the tissue oxygenation measurement;

    computing a time interval corresponding to the detected change in muscle tissue oxygenation; and

    detecting if a heart failure condition is worsening in response to the computed time interval.

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