title: Comparative mechanisms of antiarrhythmic agents.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000889:Anti-Arrhythmia Agents / Q000494:pharmacology*; D001949:Bretylium Compounds / Q000494:pharmacology; D006321:Heart / Q000187:drug effects; D006329:Heart Conduction System / Q000187:drug effects; D006801:Humans; D010672:Phenytoin / Q000494:pharmacology; D011188:Potassium / Q000494:pharmacology
chemical_list: D000889:Anti-Arrhythmia Agents; D001949:Bretylium Compounds; D010672:Phenytoin; D011188:Potassium