The differential effect of quinidine and pyrilamine on the myocardial action potential at various rates of stimulation.
D000200:Action Potentials; D018926:Anti-Allergic Agents; D006321:Heart / Q000187:drug effects*; D006634:Histamine H1 Antagonists / Q000494:pharmacology*; D006801:Humans; D009206:Myocardium; D011738:Pyrilamine; D011802:Quinidine / Q000494:pharmacology*
D018926:Anti-Allergic Agents; D006634:Histamine H1 Antagonists; D011738:Pyrilamine; D011802:Quinidine
ANTIHISTAMINICS/effects; HEART/effect of drugs on; QUINIDINE/effects