1144
A substantial external device using vacuum tube technology to provide transcutaneous pacing , it was somewhat crude and painful to the patient in use and , being powered from an AC wall socket , carried a potential hazard of electrocution of the patient and inducing ventricular fibrillation .
 disease: ventricular fibrillation
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 disease: ventricular fibrillation