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October 1980

Myocardial Infarction and Coronary Ectasia in Idiopathic Mitral Valve Prolapse Syndrome

Author Affiliations

From the Department of Medicine, Cardiology Section, Northwestern Memorial Hospital and Veterans Administration Lakeside Medical Center, Northwestern University Medical School, Chicago.

Arch Intern Med. 1980;140(10):1384-1386. doi:10.1001/archinte.1980.00330210132040

• Angina pectoris and myocardial infarction occurred in two patients with idiopathic mitral valve prolapse in the absence of atherosclerotic coronary artery disease. Instead, both patients showed the presence of coronary artery ectasia on cineangiography. The anatomic localization of ectasia corresponded with segmental derangement of left ventricular wall motion. Repeated thromboemboli from ectatic vessels and/or locally liberated platelet metabolites were considered the probable mechanism of these symptoms.

(Arch Intern Med 140:1384-1386, 1980)