title: The effects of lidocaine, propranolol, procaine amide, and bretylium tosylate on the contractility of isolated cat papillary muscles.
mesh_terms: D000818:Animals; D001949:Bretylium Compounds / Q000494:pharmacology*; D002415:Cats; D003864:Depression, Chemical; D004305:Dose-Response Relationship, Drug; D004558:Electric Stimulation; D006321:Heart / Q000502:physiology; D066298:In Vitro Techniques; D008012:Lidocaine / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects*; D009132:Muscles / Q000187:drug effects*; D010210:Papillary Muscles / Q000187:drug effects; D011342:Procainamide / Q000494:pharmacology*; D011433:Propranolol / Q000494:pharmacology*; D013268:Stimulation, Chemical; D013997:Time Factors
chemical_list: D001949:Bretylium Compounds; D008012:Lidocaine; D011433:Propranolol; D011342:Procainamide