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For example , an " irregularly irregular " QRS complex without P waves is the hallmark of atrial fibrillation ; however , other findings can be present as well , such as a bundle branch block that alters the shape of the QRS complexes .
 disease: atrial fibrillation; disease: bundle branch block
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: atrial fibrillation; disease: bundle branch block