Myocardial infarction in a young woman with isolated coronary arteritis.

A 26-year-old black woman presented with a febrile illness and subsequently sustained an inferior myocardial infarction with chest pain. CPK-MB elevation and ECG changes. Left ventriculography revealed inferior wall hypokinesis, and coronary angiography demonstrated multiple aneurysms of the coronary arteries. Findings on visceral angiography of multiple organs was normal. Various etiologies were considered; however, her clinical course was felt to be most consistent with periarteritis nodosa and steroid therapy was instituted.