The effects of adrenaline and theophylline on action potential and contraction of mammalian ventricular muscle under "rested-state" and "steady-state" stimulation.
D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D002415:Cats; D002417:Cattle; D004558:Electric Stimulation; D004837:Epinephrine / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects*; D066298:In Vitro Techniques; D009200:Myocardial Contraction / Q000187:drug effects*; D010210:Papillary Muscles / Q000187:drug effects; D013806:Theophylline / Q000494:pharmacology*; D013997:Time Factors
D013806:Theophylline; D004837:Epinephrine