Myocarditis occasionally masquerades as acute myocardial infarctionbecause patients may present with severe chest pain, electrocardiographicchanges, and elevated serum levels of creatine kinase. In patientswith normal coronary arteries who presumably died of acute myocardialinfarction, myocarditis has been reported as an incidental abnormalityat autopsy1,2,3,4. Although there have been anecdotal clinicalreports of myocarditis mimicking myocardial infarction in patientswith normal coronary arteries, this association has almost alwaysrelied on a demonstration of diffuse electrocardiographic abnormalitiesor a preceding viral illness in young patients with few coronaryrisk factors5,6,7. In most cases no definitive diagnosis was. . . [Full Text of this Article]
Case Reports
Patients with Myocarditis Mimicking Myocardial Infarction
Clinical Presentation
Coronary Angiography and Left Ventriculography
Antimyosin Scintigraphy and Endomyocardial Biopsy
Treatment and Follow-up
Patients with Myocardial Infarction
Discussion
Source Information
From the Cardiac Unit (J.N., B.A.K., G.W.D., I.F.P., T.Y.), Division of Nuclear Medicine (J.N., B.A.K., H.W.S., T.Y.), and Department of Pathology (J.F.S., J.T.F.), Massachusetts General Hospital; Harvard Medical School (J.N., B.A.K., G.W.D., I.F.P., J.F.S., J.T.F., H.W.S., E.H., T.Y.); Northeastern University (J.N., B.A.K.); and Harvard School of Public Health (E.H.) -- all in Boston.
Address reprint requests to Dr. Yasuda at the Cardiac Unit and Division of Nuclear Medicine, Tilton 2, Massachusetts General Hospital, 32 Fruit St., Boston, MA 02114.
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