Method and apparatus for cardiac function monitoring
An implantable medical device that includes 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, and a processor configured to determine an intensity of the first acoustic signals, and determine changes in blood pressure in response to the determined intensity.
Medtronic, Inc.
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Zhendong Xiaohong
Song Zhou