title: Atypical ventricular tachycardia (torsades de pointes): report of two cases.
mesh_terms: D000368:Aged; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008875:Middle Aged; D013610:Tachycardia / Q000175:diagnosis / Q000209:etiology / Q000628:therapy