in view of the occurrence of sudden death and massive myocardial infarction in adult patients shown to have severe or complete obstruction of the left main coronary artery , it is suggested that adult patients with this condition , who require open-heart surgery for any other cardiac disorder , should undergo aortocoronary bypass grafting concurrently even prior to the development of anginal symptoms .
C0027051
myocardial infarction
C0018799
cardiac disorder