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RESPIRATION-SYNCHRONIZED HEART SOUND TRENDING

  • US 20080119749A1
  • Filed: 11/20/2006
  • Published: 05/22/2008
  • Est. Priority Date: 11/20/2006
  • Status: Abandoned Application
First Claim
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1. A system comprising:

  • an implantable medical device, including;

    a respiration sensor, configured to sense a respiration signal; and

    a heart sound sensor, configured to sense a heart sound signal;

    an implantable or external respiration phase detector, coupled to the respiration sensor, configured to detect at least one phase of the respiration signal;

    an implantable or external heart sound detector, coupled to the heart sound sensor, configured to detect at least one heart sound of the heart sound signal; and

    an implantable or external processor, coupled to the respiration phase detector and the heart sound detector, wherein the processor is configured to automatically produce at least one heart sound trend over at least a portion of at least one respiration cycle using the at least one heart sound, the at least one heart sound trend occurring during a specified at least a portion of at least one phase of the respiration signal.

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