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The authors describe the case of a 56 - year - old woman with chronic , severe heart failure secondary to dilated cardiomyopathy and absence of significant ventricular arrhythmias who developed QT prolongation and torsade de pointes ventricular tachycardia during one cycle of intermittent low dose ( 2 . 5 mcg / kg per min ) dobutamine .
 Disease: heart failure; Disease: dilated cardiomyopathy; Disease: ventricular arrhythmias; Disease: QT prolongation; Disease: torsade de pointes; Disease: ventricular tachycardia; Chemical: dobutamine
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: heart failure; Disease: dilated cardiomyopathy; Disease: ventricular arrhythmias; Disease: QT prolongation; Disease: torsade de pointes; Disease: ventricular tachycardia; Chemical: dobutamine