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System and method for diagnosing and tracking congestive heart failure based on the periodicity of Cheyne-Stokes Respiration using an implantable medical device

  • US 7,070,568 B1
  • Filed: 03/02/2004
  • Issued: 07/04/2006
  • Est. Priority Date: 03/02/2004
  • Status: Active Grant
First Claim
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1. A system for evaluating the severity of congestive heart failure (CHF) within a patient using an implanted medical device wherein the patient also exhibits Cheyne-Stokes Respiration (CSR) caused by CHF, the system comprising:

  • a CSR periodicity determination unit operative to determine a periodicity associated with CSR for the patient;

    a CSR periodicity-based CHF evaluation unit operative to evaluate the severity of CHF within the patient based on the periodicity; and

    a CHF therapy controller operative to control delivery of therapy to the patient based on the evaluation of the severity of CHF.

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