Energy efficient heart sound data collection
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United States of America Patent
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May 26, 2020
Grant Date -
Jan 11, 2018
app pub date -
Jun 27, 2017
filing date -
Jul 6, 2016
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Abstract
This document discusses, among other things, apparatus, systems, or methods to efficiently collect heart sound data, including detecting first heart sound information of a heart of a patient using a heart sound sensor in a first, low-power operational mode, and detecting second heart sound information of the heart using the heart sound sensor in a separate second, high-power operational mode. The operational mode of the heart sound sensor can be controlled using physiologic information from the patient, including heart sound information, information about a heart rate of the patient, or other physiologic information from the patient that indicates worsening heart failure.
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