Dynamic spectral phonocardiograph

Details Dynamic spectral phonocardiograph Dynamic spectral phonocardiograph

1989-02-02

1990-11-06

Jaworski, Francis

Surgery

Truss

Pad

128699, 128710, A61B 502

Patent

active

049677608

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.

REFERENCES:
patent: 3442264 (1969-05-01), Levitt
patent: 4413630 (1983-11-01), Anderson et al.
patent: 4458693 (1984-07-01), Badziuski et al.
patent: 4549551 (1985-10-01), Dyck et al.
patent: 4700712 (1987-10-01), Schmid
patent: 4792145 (1988-12-01), Eisenberg et al.

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