of 945 patients hospitalised for myocardial infarction between january 1st 1972 and december 31st 1975 , 40 with anterior myocardial infarction ( group i-a ) and 53 with posterior myocardial infarction ( group ii-a ) were complicated by atrioventricular and/or intraventricular arrhythmias .
C0027051
myocardial infarction
C0340293
anterior myocardial infarction