PEDIATRICS Vol. 38 No. 5 November 1966, pp. 892-896
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INTRAESOPHAGEAL PHONOCARDIOGRAPHY IN THE DIAGNOSIS OF OCCULT RHEUMATIC MITRAL VALVE DISEASE

Choompol Vongprateep M.D.1, Ronald M. Lauer M.D.1, and Antoni M. Diehl M.D.1

1 The Department of Pediatrics, University of Kansas School of Medicine, Kansas City, Kansas

Twenty-nine rheumatic subjects and 16 normal individuals have been studied by intraesophageal phonocardiography. In the normal group no unusual sounds or murmurs were discovered by this technique. However, in rheumatic patients with clinical mitral regurgitation the esophageal phonocardiogram more clearly recorded the murmur than the surface phonocardiogram. In five patients murmurs of mitral disease were recorded by the intraesophageal technique that were not discernible by clinical examination or surface phonocardiography. Intraesophageal phonocardiography is particularly valuable in clinical situations wherein rheumatic heart disease is suspected and the typical clinical findings of mitral regurgitation are absent or equivocal.

Submitted on December 3, 1965
Accepted on July 1, 1966