title: Appraisal of the effects of catecholamines on cardiac electrical activity.
mesh_terms: D000200:Action Potentials; D000818:Animals; D001285:Atropine; D002395:Catecholamines / Q000494:pharmacology*; D004285:Dogs; D004594:Electrophysiology; D004983:Ethanolamines / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects* / Q000502:physiology; D006329:Heart Conduction System / Q000187:drug effects*; D008564:Membrane Potentials; D012110:Reserpine / Q000494:pharmacology
chemical_list: D002395:Catecholamines; D004983:Ethanolamines; D001285:Atropine; D012110:Reserpine