both propranolol 10 ( -6 ) m and epinephrine 5 x 10 ( -7 ) m attenuated the difference in ventricular fibrillation thresholds before and after second coronary artery ligation and eliminated any difference in cyclic amp content of both the nonischemic and ischemic myocardial tissue .
C0033497
propranolol
C0042510
ventricular fibrillation