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Sensing vector selection in a cardiac stimulus device with postural assessment

  • US 8,483,843 B2
  • Filed: 06/07/2012
  • Issued: 07/09/2013
  • Est. Priority Date: 02/07/2007
  • Status: Active Grant
First Claim
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1. An implantable cardiac stimulus system comprising:

  • an implantable medical device including a canister housing operational circuitry and at least three electrodes coupled to the operational circuitry for sensing cardiac activity while implanted; and

    a programmer configured to communicate with the implantable medical device after the implantable medical device is implanted in a patient;

    wherein the system is configured to perform the following method after the implantable medical device is implanted in a patient such that the at least three electrodes define at least first and second sensing vectors analyzable by the operational circuitry;

    the programmer indicates that the patient is to hold a first body position while a first analysis is performed;

    the implantable medical device captures data using at least the first and second sensing vectors;

    the implantable medical device indicates to the programmer that a first data capture for sensing vector analysis using the first and second sensing vectors is complete;

    the programmer, once the implantable medical device indicates completion of the first data capture for sensing vector analysis, indicates that the patient is to hold a second body position while a second analysis is performed;

    the implantable medical device again captures data using at least the first and second sensing vectors;

    the implantable medical device indicates to the programmer that a second data capture for sensing vector analysis using the first and second sensing vectors is completed; and

    the programmer indicates that the second analysis is complete.

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