Method and apparatus for phonocardiographic image acquisition and presentation
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United States of America Patent
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Aug 21, 2007
Grant Date -
Jun 3, 2004
app pub date -
Dec 2, 2002
filing date -
Dec 2, 2002
priority date (Note) -
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Abstract
A cardiac rhythm management system provides a phonocardiographic image indicative of a heart's mechanical events related to hemodynamic performance. The phonocardiographic image includes a stack of acoustic sensor signal segments representing multiple cardiac cycles. Each acoustic sensor signal segment includes heart sounds indicative of the heart's mechanical events and representations of the heart's electrical events. The stack of acoustic sensor signal segments are aligned by a selected type of the heart's mechanical or electrical events and are grouped by a cardiac timing parameter for presentation.
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