"Qunidine syncope" without quinidine.
D001281:Atrial Fibrillation / Q000188:drug therapy*; D004206:Disopyramide / Q000494:pharmacology; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy*; D011802:Quinidine / Q000009:adverse effects*; D013575:Syncope / Q000139:chemically induced*
D004206:Disopyramide; D011802:Quinidine