title: Is digitalis inotropy associated with enhanced slow inward calcium current?
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002118:Calcium / Q000502:physiology*; D002417:Cattle; D004305:Dose-Response Relationship, Drug; D004553:Electric Conductivity; D004837:Epinephrine / Q000494:pharmacology; D006321:Heart / Q000187:drug effects* / Q000502:physiology; D066298:In Vitro Techniques; D009200:Myocardial Contraction / Q000187:drug effects*; D013327:Strophanthidin / Q000494:pharmacology* / Q000633:toxicity
chemical_list: D013327:Strophanthidin; D002118:Calcium; D004837:Epinephrine