This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
[{'content': 'Myringotomy is indicated in - \nSelect and explain. \nA. Coalescent mastoiditis, B. Cholesteatoma, C. ASOM, D. External otitis media', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Myringotomy\n\nMyringotomy is also known as myringocentesis, tympanostomy or tympanotomy. Myringotomy is a surgical procedure in which a small incision is made in the eardrum (tympanic membrane). Myringotomy is done to drain suppurative or nonsuppurative fluid (effusion) of the middle ear or to provide aeration in case of the nonfunctional eustachian tube.\n\nIndications\n1) Acute suppurative otitis media\n\nA severe earache with bulging tympanic membrane\nIncomplete resolution with opaque drum and persistent conductive deafness\nComplications of acute otitis media, e.g. facial paralysis, labyrinthitis or meningitis with bulging tympanic membrane\n\n2)\xa0\xa0 Serous otitis media\n3)\xa0\xa0 Aero-otitis media (to drain fluid and "unlock" the eustachian tube)\n4)\xa0\xa0 Atelectatic ear (grommet is often inserted for long-term aeration)', 'role': 'assistant'}]