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ELECTROMECHANICAL DELAY (EMD) MONITORING DEVICES, SYSTEMS AND METHODS

  • US 20110040345A1
  • Filed: 12/14/2009
  • Published: 02/17/2011
  • Est. Priority Date: 07/08/2009
  • Status: Active Grant
First Claim
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1. For use with an implantable system, a method for monitoring a patient'"'"'s electromechanical delay (EMD), the method comprising:

  • (a) causing paced cardiac events by delivering sufficient pacing stimulation to cause capture to the patient'"'"'s heart;

    (b) using one or more electrodes implanting within and/or on the patient'"'"'s heart to obtain a cardiogenic impedance (CI) signal indicative of cardiac contractile activity while the patient'"'"'s heart is being paced at step (a);

    (c) detecting one or more predetermined features of the obtained CI signal; and

    (d) determining one or more values indicative of the patient'"'"'s electromechanical delay (EMD) by determining a time between a pacing stimulation delivered at step (a) and at least one of the one or more features of the CI signal detected at step (c).

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