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Vasovagal syncope and severe bradycardia following intranasal dexmedetomidine for pediatric procedural sedation .
 Disease: Vasovagal syncope; Disease: bradycardia; Chemical: dexmedetomidine
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: Vasovagal syncope; Disease: bradycardia; Chemical: dexmedetomidine