TSUNG O. CHENG, M.D., F.A.C.P.
Two patients had diastolic murmur caused by coronary artery stenosis. In both the diastolic murmur was associated with a severe, localized narrowing of the proximal left anterior descending artery demonstrated by selective coronary cinearteriography. The murmur disappeared after acute myocardial infarction involving the area of distribution by the stenosed coronary artery. Although mid-diastolic timing of the murmur combined with an accentuated first sound may lead to an erroneous diagnosis of mitral stenosis, several distinguishing features, including its response to amyl nitrite inhalation, help to differentiate. A stenosed coronary artery is a cause of diastolic murmur.
CHENG TO. Diastolic Murmur Caused by Coronary Artery Stenosis. Ann Intern Med. ;72:543–546. doi: 10.7326/0003-4819-72-4-543
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Published: Ann Intern Med. 1970;72(4):543-546.
Cardiology, Coronary Heart Disease.
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