Function indicator for autonomic nervous system based on phonocardiogram
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United States of America Patent
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Issued Date -
May 15, 2003
app pub date -
Nov 13, 2001
filing date -
Nov 13, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and an apparatus for measuring the heart rate variability (HRV) are described. A recording of the heart sounds is processed and analyzed with a computing system to obtain various components that characterize the heart rate variability. Since changes of HRV are derived from the sound signals of a heart, which is readily collectable with a microphone or a listening instrument used in auscultation and is readily accessible to patients, a rapid diagnosis and transfer of information are provided. Potential consequences are curtailed and the survivability of patents is thereby enhanced.
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