[A case of myocardial infarction with normal coronary arteriogram in combined valvular disease].

In this report, we presented a case of myocardial infarction with angiographically normal coronary artery, possibly caused by coronary thromboembolism due to combined mitral and aortic valvular lesions. Embolism arising from the mitral valve or left atrium might preferentially enter the coronary arteries because of the turbulence produced by the associated aortic valve lesion. Her impaired cardiac function, due to valvular lesions and myocardial infarction, has improved after double valve replacement.