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Auscultation of the Heart by Machine and by Physicians

Auscultation of the Heart by Machine and by Physicians An automatic screening device for auscultatory evidence of heart disease was tested on 308 children and adolescents who had previously had rheumatic fever. The device correctly recognized as abnormal 88.5% of 131 patients with rheumatic heart disease (RHD), and correctly recognized as normal 83.6% of 177 patients with no RHD. For purposes of comparison a cardiologist, an internist, and a senior medical student each listened while blindfolded to the heart sounds of three 100-patient subsets of the above population. The auscultation was limited to the areas used for the automatic screening. They correctly recognized as abnormal 97.9%, 94.5%, and 91.9% of the patients with RHD, and correctly recognized as normal 81.1%, 84.4%, and 85.7% of the patients without RHD. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA American Medical Association

Auscultation of the Heart by Machine and by Physicians

JAMA , Volume 202 (8) – Nov 20, 1967

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Publisher
American Medical Association
Copyright
Copyright © 1967 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
0098-7484
eISSN
1538-3598
DOI
10.1001/jama.1967.03130210077012
Publisher site
See Article on Publisher Site

Abstract

An automatic screening device for auscultatory evidence of heart disease was tested on 308 children and adolescents who had previously had rheumatic fever. The device correctly recognized as abnormal 88.5% of 131 patients with rheumatic heart disease (RHD), and correctly recognized as normal 83.6% of 177 patients with no RHD. For purposes of comparison a cardiologist, an internist, and a senior medical student each listened while blindfolded to the heart sounds of three 100-patient subsets of the above population. The auscultation was limited to the areas used for the automatic screening. They correctly recognized as abnormal 97.9%, 94.5%, and 91.9% of the patients with RHD, and correctly recognized as normal 81.1%, 84.4%, and 85.7% of the patients without RHD.

Journal

JAMAAmerican Medical Association

Published: Nov 20, 1967

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