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This report of torsade de pointes ventricular tachycardia during intermittent dobutamine supports the hypothesis that unpredictable fatal arrhythmias may occur even with low doses and in patients with no history of significant rhythm disturbances .
 Disease: torsade de pointes; Disease: ventricular tachycardia; Chemical: dobutamine; Disease: 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: torsade de pointes; Disease: ventricular tachycardia; Chemical: dobutamine; Disease: arrhythmias