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BACKGROUND : Reports of severe bradyarrhythmia during amiodarone therapy are infrequent and limited to studies assessing the therapy ' s use in the management of patients with ventricular arrhythmias .
 Disease: bradyarrhythmia; Chemical: amiodarone; Disease: ventricular arrhythmias
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:
 Disease: bradyarrhythmia; Chemical: amiodarone; Disease: ventricular arrhythmias