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Method and system for automatically measuring capture threshold in an implantable cardiac stimulation device

  • US 6,587,723 B1
  • Filed: 10/17/2000
  • Issued: 07/01/2003
  • Est. Priority Date: 10/17/2000
  • Status: Expired due to Fees
First Claim
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1. A method of automatically performing a threshold test, comprising:

  • measuring a first threshold setting (T1) by progressively decreasing a stimulation energy until capture is lost;

    measuring a second threshold setting (T2) by progressively increasing the stimulation energy until capture is verified;

    calculating a difference between the first threshold setting (T1) and the second threshold setting (T2); and

    verifying the validity of the threshold test by monitoring a change in the difference between the first threshold setting (T1) and the second threshold setting (T2).

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