title: Effect of direct current countershock on atrial and ventricular electrophysiological properties and myocardial potassium efflux in the thoracotomised dog.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D004285:Dogs; D004554:Electric Countershock; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D006329:Heart Conduction System / Q000502:physiology; D006339:Heart Rate; D066298:In Vitro Techniques; D009206:Myocardium / Q000378:metabolism*; D011188:Potassium / Q000378:metabolism*; D011433:Propranolol / Q000494:pharmacology; D013997:Time Factors
chemical_list: D001285:Atropine; D011433:Propranolol; D011188:Potassium