Dynamic spectral phonocardiograph
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United States of America Patent
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May 7, 1991
Issued Date -
N/A
app pub date -
Jun 5, 1990
filing date -
Feb 2, 1989
priority date (Note) -
Expired
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Abstract
A system of generating a spectral phonocardiogram which summarizes time-dependent changes in the heart sounds throughout the heart cycle. The system is based on the projection of spectral surfaces of the Fourier transform of heart sounds as a function of time and is a useful diagnostic tool both for a cardiologist and a general practitioner. Permanent copies of the spectral phonocardiograms can provide useful records for monitoring the development of heart disease in a given individual. The system provides a useful means for rapid screening of large groups of people for heart disease by non-specialists in cardiology. A variant of the system provides automated computer diagnosis of the probable nature of the heart disease.
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