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Standard cardiopulmonary resuscitation was started and electrocardiogram ( ECG ) was monitored for ventricular tachycardia , fibrillation , or QRS prolongation .
 Disease: ventricular tachycardia; Disease: fibrillation
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: ventricular tachycardia; Disease: fibrillation