Multi-modal cardiac diagnostic decision support system and method
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United States of America Patent
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Oct 11, 2005
Grant Date -
May 15, 2003
app pub date -
Sep 12, 2002
filing date -
Sep 29, 1999
priority date (Note) -
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Abstract
A method for extracting and evaluating features from cardiac acoustic signals includes the steps of obtaining a cardiac acoustic signal, extracting physiologically significant features from the cardiac acoustic signal using a neural network, analyzing the cardiac acoustic signal with a wavelist decomposition to extract time-frequency information, and identifying basic heart sounds using neutral networks applied to the extracted time-frequency information. A method for determining a status of heart murmurs includes the steps of obtaining a cardiac acoustic signal, detecting a murmur, if any, from the cardiac acoustic signal, and determining whether the murmur is one of functional and pathological based upon expert rules.
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