Dynamic spectral phonocardiograph

Details Dynamic spectral phonocardiograph Dynamic spectral phonocardiograph

1990-06-05

1991-05-07

Jaworski, Francis

Surgery

Truss

Pad

128699, 128710, 36441306, A61B 502

Patent

active

050128159

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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patent: 4812976 (1989-03-01), Lundy
patent: 4832038 (1989-05-01), Arai et al.
patent: 4862897 (1989-09-01), Eisenberg et al.
patent: 4924875 (1990-05-01), Chamoun

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