title: Some fundamental actions of antiarrhythmic drugs on the excitability and the contractility of singel myocardial fibers.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000404:Ajmaline / Q000494:pharmacology; D000818:Animals; D000889:Anti-Arrhythmia Agents / Q000494:pharmacology*; D002642:Chick Embryo; D004558:Electric Stimulation; D006321:Heart / Q000187:drug effects*; D006329:Heart Conduction System / Q000187:drug effects; D008564:Membrane Potentials / Q000187:drug effects; D010210:Papillary Muscles / Q000187:drug effects; D014700:Verapamil / Q000494:pharmacology
chemical_list: D000889:Anti-Arrhythmia Agents; D000404:Ajmaline; D014700:Verapamil