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Multi-site ventricular pacing system measuring QRS duration

  • US 20030004548A1
  • Filed: 06/29/2001
  • Published: 01/02/2003
  • Est. Priority Date: 06/29/2001
  • Status: Active Grant
First Claim
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1. A cardiac pacing system for delivering electrical stimulation to a heart, comprising:

  • a timing circuit to measure at least one time interval, the at least one time interval being used to control delivery of the electrical stimulation by the cardiac pacing system;

    a sensing circuit to measure duration of a QRS complex of the heart; and

    a control circuit coupled to the timing circuit and the sensing circuit to adjust the length of the at least one time interval based on the measured duration of the QRS complex of the heart.

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