Ischemia detection using heart sound timing

Details Ischemia detection using heart sound timing Ischemia detection using heart sound timing

2007-01-19

2010-06-15

Bockelman, Mark W (Department: 3766)

Surgery

Diagnostic testing

Cardiovascular

Reexamination Certificate

active

07736319

ABSTRACT:
A system comprising a heart sound sensor to produce a heart sound signal representative of at least one heart sound. A signal analyzer circuit measures a baseline time interval between a first detected physiologic cardiovascular event and at least one second detected physiologic cardiovascular event. At least one of the first and second detected physiologic cardiovascular events includes a heart sound event obtained from the heart sound signal. The sensor analyzer circuit determines that an ischemic event occurred at least in part by detecting a specified measured subsequent change from the established baseline time interval. Other systems and methods are disclosed.

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