1750
The second group consisted almost exclusively of elderly women who developed potentially life - threatening bradyarrhythmias or atrioventricular conduction delay , associated with either therapeutic or modestly elevated carbamazepine serum levels .
 Disease: bradyarrhythmias; Disease: atrioventricular conduction delay; Chemical: carbamazepine
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: bradyarrhythmias; Disease: atrioventricular conduction delay; Chemical: carbamazepine