title: Electrophysiological evidence of the initiation of arrhythmia by beta-adrenergic blocking agents.
mesh_terms: D000200:Action Potentials; D000319:Adrenergic beta-Antagonists / Q000494:pharmacology*; D000818:Animals; D001145:Arrhythmias, Cardiac / Q000139:chemically induced* / Q000503:physiopathology; D004285:Dogs; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects*; D008297:Male; D008564:Membrane Potentials; D010869:Pindolol / Q000008:administration & dosage / Q000494:pharmacology; D011433:Propranolol / Q000008:administration & dosage / Q000494:pharmacology
chemical_list: D000319:Adrenergic beta-Antagonists; D011433:Propranolol; D010869:Pindolol