the effects of therapeutic doses of antiarrhythmic drugs ( 12 mg/kg of procainamide , 2 mg/kg of disopyramide and 0.2 mg/kg of propranolol ) on sinus cycle length ( scl ) , sinoatrial conduction time ( sact ) estimated by a constant atrial pacing technique , and atrial developed tension ( dt ) were measured in isolated canine atria cross-perfused with heparinized arterial blood from donor dogs as well as on mean systemic blood pressure ( sbp ) and on heart rate ( hr ) in those dogs .
C0003195
antiarrhythmic
C0012702
disopyramide