to determine the rate of induction , specificity and evolution of electrically induced postmyocardial infarction ventricular arrhythmias , 10 dogs that underwent a sham operation and 20 dogs with experimental transmural apical myocardial infarction underwent serial closed chest electrophysiologic studies with programmed ventricular stimulation under light anesthesia 1 , 2 , 4 and 6 weeks after the operation .
C0027051
myocardial infarction
C0817096
chest