title: Polymorphic ventricular tachycardia secondary to hypothyroidism.
mesh_terms: D004562:Electrocardiography; D006352:Heart Ventricles; D006801:Humans; D007037:Hypothyroidism / Q000150:complications* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D013610:Tachycardia / Q000209:etiology* / Q000503:physiopathology; D013965:Thyroidectomy; D013974:Thyroxine / Q000097:blood
chemical_list: D013974:Thyroxine