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Although intravenous caffeine is generally well tolerated , the clinician should be aware of the potential for unpredictable and serious ventricular arrhythmias .
 Chemical: caffeine; 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:
 Chemical: caffeine; Disease: ventricular arrhythmias