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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 7,094,207 B1
  • Filed: 03/02/2004
  • Issued: 08/22/2006
  • Est. Priority Date: 03/02/2004
  • Status: Active Grant
First Claim
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1. A method for distinguishing Cheyne-Stokes Respiration (CSR) within a patient caused by central sleep apnea (CSA) from CSR caused by congestive heart failure (CHF) using an implanted medical device, the method comprising:

  • detecting a periodicity associated with CSR for the patient; and

    determining whether the CSR of the patient is caused by CSA or by CHF based on the periodicity.

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