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Method and apparatus for cardiac function monitoring

  • US 9,675,315 B2
  • Filed: 03/12/2013
  • Issued: 06/13/2017
  • Est. Priority Date: 04/27/2012
  • Status: Active Grant
First Claim
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1. A medical device, comprising:

  • an elongated lead body having an outer surface and a first opening along the outer surface;

    a first sensor positioned along the lead body and configured to receive first acoustic signals through the first opening of the lead body and generate an electrical signal representative of sounds produced at a first targeted location along a patient'"'"'s cardiovascular system;

    a second sensor configured to receive second acoustic signals through a second opening of the lead body and generate an electrical signal representative of sounds produced at a second targeted location along a patient'"'"'s cardiovascular system different than the first targeted location;

    a plurality of electrodes carried by the elongated lead body;

    a therapy delivery module configured to be coupled to the plurality of electrodes; and

    a processor configured to;

    detect a change in an intensity of the first acoustic signals,monitor the second acoustic signals in response to detecting the change in intensity of the first acoustic signals;

    determine changes in blood pressure in response to the change in intensity of the first acoustic signals and the monitored second acoustic signals, andcontrol the therapy delivery module in response to determining a change in blood pressure.

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