title: Torsade de pointes and Q-T prolongation in secondary hypothyroidism.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000209:etiology*; D005260:Female; D006801:Humans; D007037:Hypothyroidism / Q000150:complications*; D008133:Long QT Syndrome / Q000209:etiology*; D008875:Middle Aged; D013610:Tachycardia / Q000209:etiology*