Effects of propranolol on the transmembrane potentials of ventricular muscle and Purkinje fibers of the dog.
D000818:Animals; D001145:Arrhythmias, Cardiac; D004285:Dogs; D004558:Electric Stimulation; D004594:Electrophysiology; D004837:Epinephrine / Q000494:pharmacology; D006321:Heart / Q000502:physiology; D006329:Heart Conduction System / Q000187:drug effects*; D006352:Heart Ventricles / Q000187:drug effects*; D008564:Membrane Potentials / Q000187:drug effects*; D011433:Propranolol / Q000494:pharmacology*; D013610:Tachycardia; D014693:Ventricular Fibrillation
D011433:Propranolol; D004837:Epinephrine