title: Antiarrhythmic and electrophysiologic properties of UM-272, dimethyl quaternary propranolol, in the canine heart.
mesh_terms: D000818:Animals; D000889:Anti-Arrhythmia Agents / Q000494:pharmacology*; D004285:Dogs; D004594:Electrophysiology; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D006325:Heart Atria / Q000187:drug effects; D010138:Pacemaker, Artificial; D011433:Propranolol / Q000494:pharmacology*; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology; D009435:Synaptic Transmission / Q000187:drug effects; D013997:Time Factors; D014693:Ventricular Fibrillation / Q000503:physiopathology
chemical_list: D000889:Anti-Arrhythmia Agents; D000644:Quaternary Ammonium Compounds; D011433:Propranolol