abrupt occlusion of the left anterior descending coronary artery was performed on 45 unanesthetized farm pigs in order to evaluate the relative effects on the latency to ventricular fibrillation ( vfl ) of 1 ) adaptation of the animals to the laboratory , and 2 ) beta-receptor blockade by propranolol .
C0042510
ventricular fibrillation
C0033497
propranolol