"Supramaximal" enhancement of the inotropic effect of noradrenaline by tyramine.
D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D004357:Drug Synergism; D004558:Electric Stimulation; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects; D009638:Norepinephrine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D010210:Papillary Muscles / Q000187:drug effects / Q000502:physiology; D013997:Time Factors; D014439:Tyramine / Q000037:antagonists & inhibitors / Q000494:pharmacology*
D009638:Norepinephrine; D014439:Tyramine