<prompt> Myringotomy is -Surgical opening in eustachian tubeSurgical opening in tympanic mambraneSurgical opening in semicircular canalNone  <response>: Ans. is b i.e., Surgical opening tn tympanic mambrane Myringotomvo Myringotomy 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 middile ear or to provide aeration in case of nonfunctional eustachian tube.IndicationsAcute suppurative otitis mediaSevere earache with bulging tympanic membraneIncomplete resolution with opaque drum and persistent conductive deafnessComplications of acute otitis media, e.g. facial paralysis, labyrinthitis or meningitis with bulging tympanic membraneSerous otitis mediaAero-otitis media to drain fluid and unlock1 the eustachian tubeAtelectatic ear grommet is often inserted for long-term aeration 