title: Drugs and heart muscle.
mesh_terms: D000818:Animals; D002118:Calcium / Q000494:pharmacology; D002297:Cardanolides / Q000494:pharmacology; D002415:Cats; D004071:Digitalis Glycosides / Q000494:pharmacology; D004837:Epinephrine / Q000494:pharmacology; D006168:Guinea Pigs; D006321:Heart / Q000502:physiology; D007552:Isotonic Solutions; D008954:Models, Biological; D009119:Muscle Contraction / Q000187:drug effects*; D010210:Papillary Muscles / Q000187:drug effects* / Q000502:physiology; D012964:Sodium / Q000494:pharmacology; D013324:Strontium / Q000494:pharmacology; D013329:Structure-Activity Relationship; D013696:Temperature; D014439:Tyramine / Q000494:pharmacology; D014970:Xanthines / Q000494:pharmacology
chemical_list: D002297:Cardanolides; D004071:Digitalis Glycosides; D007552:Isotonic Solutions; D014970:Xanthines; D012964:Sodium; D002118:Calcium; D014439:Tyramine; D004837:Epinephrine; D013324:Strontium