eMedicine Specialties > Otolaryngology and Facial Plastic Surgery > Middle Ear & Mastoid
Middle Ear, Acute Otitis Media, Surgical Treatment: Workup
Updated: May 12, 2009
Workup
Laboratory Studies
Culture and sensitivity from a fresh perforation or a tympanocentesis may be helpful in the ongoing management of the residual infection. Early indication of the etiologic agent may be obtained from a Gram stain of the aspirate; however, more than one species of bacteria may be present in the middle ear.
Imaging Studies
CT scanning may be necessary to determine if a complication such as coalescent mastoiditis has occurred, but in the absence of any such suggestion, imaging is unnecessary. MRI may be more appropriate when an intracranial complication is suspected.
Other Tests
- Audiometry
- All children with acute otitis media (AOM) have conductive hearing loss associated with the middle ear effusion; consequently, testing in the acute phase probably is unhelpful.
- Tympanometry may assist in the diagnosis of middle ear effusion but, for the skilled pneumatic otoscopist, is seldom necessary.
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Further Reading
Keywords
otitis media, otitis media surgery, otitis media treatment, ear infection, ear infections, ear infection treatment, acute suppurative otitis media, acute otitis media, AOM, purulent otitis, otitis media with effusion, OME, tympanocentesis, myringotomy, myringotomy with ventilation, chronic otitis media, COM, ear infection, ear pain, ear ache
Workup: Middle Ear, Acute Otitis Media, Surgical Treatment