Third heart sound activity index for heart failure monitoring

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United States of America Patent

PATENT NO 9668713
SERIAL NO

14286314

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Abstract

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A cardiac rhythm management system provides for the trending of a third heart sound (S3) index. The S3 index is a ratio, or an estimate of the ratio, of the number of S3 beats to the number of all heart beats, where the S3 beats are each a heart beat during which an occurrence of S3 is detected. An implantable sensor such as an accelerometer or a microphone senses an acoustic signal indicative heart sounds including S3. An S3 detector detects occurrences of S3 from the acoustic signal. A heart sound processing system trends the S3 index on a periodic basis to allow continuous monitoring of the S3 activity level, which is indicative of conditions related to heart failure.

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Patent Owner(s)

  • CARDIAC PACEMAKERS, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Carlson, Gerrard M Houston, US 114 6940
Green, Laura Minneapolis, US 8 269
Siejko, Krzysztof Z Maple Grove, US 165 5339

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