Paradoxical effects of epinephrine on excitation-contraction coupling in cardiac muscle.
D000818:Animals; D001001:Anura; D002415:Cats; D004837:Epinephrine / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects*; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects*; D010210:Papillary Muscles / Q000187:drug effects*
D004837:Epinephrine