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Cardiac resynchronization therapy ( CRT ) is used for people with heart failure in whom the left and right ventricles do not contract simultaneously ( ventricular dyssynchrony ) , which occurs in approximately 25 – 50 % of heart failure patients .
 disease: heart failure
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: heart failure