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Otitis externa; Other names: External otitis, swimmer's ear [1] A moderate case of otitis externa. There is narrowing of the ear channel, with a small amount of exudate and swelling of the outer ear. Specialty: Otorhinolaryngology: Symptoms: Ear pain, swelling of the ear canal, decreased hearing, [2] difficulty chewing: Types: Acute, chronic [2 ...
As the eardrum is the border between the external ear canal and the middle ear, its characteristics can indicate various diseases of the middle ear space. [ citation needed ] Otoscopic examination can help diagnose conditions such as acute otitis media (infection of the middle ear), otitis externa (infection of the outer ear ), [ citation ...
to fit in and straighten the external ear canal: Lack's tongue depressor: to depress or remove the tongue or other structures from the field of inspection or to view them from all sides; examine oral cavity; posterior rhinoscopy; minor operations; foreign body removal; biopsy ;peritonsillar abscess drainage; retraction of cheek and lip. Forceps
The most common aetiology of acute otitis externa is bacterial infection, [5] while chronic cases are often associated with underlying skin diseases such as eczema or psoriasis. [6] A third form, malignant otitis externa, or necrotising otitis externa, is a potentially life-threatening, invasive infection of the external auditory canal and ...
May see signs of otitis media on exam Pain is located behind the ear with postauricular (i.e. near mastoid process) swelling* Diagnose with CT Chronic suppurative otitis media: Conductive hearing loss Relapsing/remitting or chronic discharge May see perforation of tympanic membrane or cholesteatoma on exam Serous otitis media
CT scan: Otitis media (simple arrow) and mastoiditis (double arrow) of the right side (left side in image). The external auditory canal is partially occupied by suppuration (triple arrow). 44-year-old woman. The diagnosis of mastoiditis is clinical—based on the medical history and physical examination.
A myringotomy is a surgical procedure in which a tiny incision is created in the eardrum to relieve pressure caused by excessive buildup of fluid, or to drain pus from the middle ear. The fluid or pus comes from a middle ear infection (otitis media), which is a common problem in children.
The ear canal volume indicates whether a perforation in the eardrum (tympanic membrane) may be present. The middle ear pressure indicates whether any fluid is present in the middle ear space (also called "glue ear" or "otitis media with effusion"). Compliance measurement indicates how well the eardrum and ossicles (the three ear bones) are moving.