title: QT prolongation and torsades de pointes after administration of trimethoprim-sulfamethoxazole.
mesh_terms: D000368:Aged; D000892:Anti-Infective Agents, Urinary / Q000009:adverse effects*; D001145:Arrhythmias, Cardiac / Q000139:chemically induced*; D004338:Drug Combinations / Q000009:adverse effects; D004562:Electrocardiography; D005260:Female; D006801:Humans; D013420:Sulfamethoxazole / Q000009:adverse effects*; D013610:Tachycardia / Q000139:chemically induced*; D014295:Trimethoprim / Q000009:adverse effects*; D015662:Trimethoprim, Sulfamethoxazole Drug Combination
chemical_list: D000892:Anti-Infective Agents, Urinary; D004338:Drug Combinations; D015662:Trimethoprim, Sulfamethoxazole Drug Combination; D014295:Trimethoprim; D013420:Sulfamethoxazole