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System and method for tracking progression of left ventricular dysfunction using implantable cardiac stimulation device

  • US 20040002741A1
  • Filed: 06/26/2002
  • Published: 01/01/2004
  • Est. Priority Date: 06/26/2002
  • Status: Active Grant
First Claim
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1. In an implantable cardiac stimulation device having a control unit, a sinus rate detector and a profound rest detector, a method for monitoring left ventricular dysfunction (LVD) within a patient, the method comprising:

  • detecting when the patient is in a state of profound rest using the profound rest detector;

    measuring the sinus rate of the patient while the patient in a state of profound rest using the sinus rate detector; and

    tracking changes in LVD, if any, within the patient using the control unit based on changes in the sinus rate measured while at profound rest.

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