The influence of potassium concentration on the action of quinidine and of some antimalarial substances on cardiac muscle.
D000109:Acetylcholine; D000200:Action Potentials; D000818:Animals; D000962:Antimalarials / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects*; D006325:Heart Atria; D009206:Myocardium; D011188:Potassium / Q000494:pharmacology*; D011802:Quinidine / Q000494:pharmacology*; D011817:Rabbits
D000962:Antimalarials; D011802:Quinidine; D000109:Acetylcholine; D011188:Potassium
ANTIMALARIALS/effects; HEART/effect of drugs on; POTASSIUM/effects; QUINIDINE/effects