Method and apparatus for third heart sound detection

Details Method and apparatus for third heart sound detection Method and apparatus for third heart sound detection

2003-12-24

2008-10-07

Schaetzle, Kennedy J (Department: 3766)

Surgery

Diagnostic testing

Cardiovascular

Reexamination Certificate

active

07431699

ABSTRACT:
A cardiac rhythm management system includes a heart sound detector providing for detection of the third heart sounds (S3). An implantable sensor such as an accelerometer or a microphone senses an acoustic signal indicative heart sounds including the second heart sounds (S2) and S3. The heart sound detector detects occurrences of S2and starts S3detection windows each after a predetermined delay after a detected occurrence of S2. The occurrences of S3are then detected from the acoustic signal within the S3detection windows.

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