title: Quinidine toxicity in a normal heart.
mesh_terms: D004562:Electrocardiography; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007223:Infant; D008297:Male; D011802:Quinidine / Q000494:pharmacology / Q000506:poisoning*; D013610:Tachycardia / Q000139:chemically induced*
chemical_list: D011802:Quinidine