3417
Sixty - nine percent of patients continued treatment with amiodarone and had no recurrence of symptomatic VT or ventricular fibrillation ( VF ) over a follow - up of 6 to 52 months ( mean + / - standard deviation 14 . 2 + / - 8 . 2 ) .
 Chemical: amiodarone; Disease: VT; Disease: ventricular fibrillation; Disease: VF
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: amiodarone; Disease: VT; Disease: ventricular fibrillation; Disease: VF