to examine whether gallopamil ( d600 ) , a methoxy derivative of verapamil , has sustained beneficial effects on the ischemic myocardium , its effects on the size of myocardial infarction determined 6 hours ( protocol 1 ) and 24 hours ( protocol 2 ) after left anterior descending coronary artery occlusion were compared in anesthetized , open-chest dogs .
C0027051
myocardial infarction
C0817096
chest