title: Sotalol-induced torsade de pointes.
abstract: A case of sotalol-induced polymorphous ventricular tachycardia (torsade de pointes) is presented. The patient had moderately prolonged Q-T interval before medication with sotalol with further prolongation after application of this drug. Electrophysiological study during rechallenge with sotalol demonstrated a uniform ventricular tachycardia with a somewhat polymorphous onset; whether or not this tachycardia represented replication of the patient's spontaneous arrhythmia is questionable. Without antiarrhythmic drugs and during medication with pindolol ventricular tachycardia was not inducible.
mesh_terms: D000368:Aged; D004562:Electrocardiography; D005260:Female; D006801:Humans; D013015:Sotalol / Q000009:adverse effects*; D013610:Tachycardia / Q000139:chemically induced* / Q000503:physiopathology
chemical_list: D013015:Sotalol