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We report a case of torsade de pointes following a single oral dose of amiodarone (1400 mg or 30 mg kg-1) administered after short intravenous loading for prevention of paroxysmal atrial flutter.
 torsade de pointes: Effect; a single oral dose of amiodarone (1400 mg or 30 mg kg-1): Treatment; single oral dose: Treatment.Dosage; 1400 mg: Treatment.Dosage; 30 mg kg-1: Treatment.Dosage; amiodarone: Treatment.Drug; prevention of paroxysmal atrial flutter: Treatment.Disorder
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: adverse event 
  Option: Treatment.Freq, Subject.Population, Combination.Drug, Subject.Gender, Treatment.Duration, Subject, Effect, Treatment, Treatment.Disorder, Subject.Disorder, Treatment.Route, Subject.Race, Treatment.Time_elapsed, Treatment.Dosage, Subject.Age, Treatment.Drug 
Text: {0} 
Answer:
 torsade de pointes: Effect; a single oral dose of amiodarone (1400 mg or 30 mg kg-1): Treatment; single oral dose: Treatment.Dosage; 1400 mg: Treatment.Dosage; 30 mg kg-1: Treatment.Dosage; amiodarone: Treatment.Drug; prevention of paroxysmal atrial flutter: Treatment.Disorder