title: Torsade de pointes and marked QT prolongation in association with hypothyroidism.
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D004562:Electrocardiography; D005260:Female; D006801:Humans; D007037:Hypothyroidism / Q000150:complications* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D013610:Tachycardia / Q000209:etiology* / Q000503:physiopathology