title: Quinidine-induced syncope.
mesh_terms: D000368:Aged; D001281:Atrial Fibrillation / Q000188:drug therapy; D004562:Electrocardiography; D005260:Female; D006801:Humans; D011802:Quinidine / Q000009:adverse effects* / Q000627:therapeutic use; D013575:Syncope / Q000139:chemically induced* / Q000517:prevention & control; D013610:Tachycardia / Q000139:chemically induced
chemical_list: D011802:Quinidine