547
CONCLUSIONS : This study suggests that the use of amiodarone in elderly patients with AF and a previous MI increases the risk of bradyarrhythmia requiring a permanent pacemaker .
 Chemical: amiodarone; Disease: AF; Disease: MI; Disease: bradyarrhythmia
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: AF; Disease: MI; Disease: bradyarrhythmia