Among 1816 cases deceased at 40 to 91 years of age autopsied at Friendship Hospital Hanoi from 1989 to 2002, there were 156 cases of myocardial infarctions including 106 cases of acute myocardial infarcts (67, 95%), acute myocardial infarcts on old myocardial infarcts of 26 cases (16, 67%) and old myocardial infarcts 24 cases (15, 38%).