11984
Eleven days after initiation of therapy with amiodarone , the patient experienced syncope and was noted to have recurrent episodes of polymorphous ventricular tachycardia .
 polymorphous ventricular tachycardia, amiodarone; syncope, amiodarone
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 polymorphous ventricular tachycardia, amiodarone; syncope, amiodarone