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A 73 year-old patient with Wolff-Parkinson-White syndrome and paroxysmic supraventricular tachycardia developed an acute reversible encephalopathy within 15 days of initiation of flecainide.
 73 year-old patient with Wolff-Parkinson-White syndrome and paroxysmic supraventricular tachycardia: Subject; 73 year-old: Subject.Age; acute reversible encephalopathy: Effect; flecainide: Treatment; flecainide: Treatment.Drug; within 15 days: Treatment.Time_elapsed; Wolff-Parkinson-White syndrome: Treatment.Disorder; paroxysmic supraventricular tachycardia: 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:
 73 year-old patient with Wolff-Parkinson-White syndrome and paroxysmic supraventricular tachycardia: Subject; 73 year-old: Subject.Age; acute reversible encephalopathy: Effect; flecainide: Treatment; flecainide: Treatment.Drug; within 15 days: Treatment.Time_elapsed; Wolff-Parkinson-White syndrome: Treatment.Disorder; paroxysmic supraventricular tachycardia: Treatment.Disorder