Hair cells in organ of Corti -> Bipolar cells in
cochlear nucleus -> cochlear N -> trapezoid body
-> superior olivary nucleus -> lateral lemniscus ->
inferior colliculus -> medial geniculate body ->
auditory radiation -> transverse temporal gyri
Differential Diagnosis
Mastoiditis
External ear infection
Foreign body impact
Perforation of tympanic membrane
Signs & symptoms
Ear Pain
Vertigo
ear discharge
Tinnitus
Investigations
Otoscope
Audiometry
Tuninig fork
Rinne's test
Conductive hearing loss
Weber's test
neurosensory hearing loss
Confirmed diagnosis
Otitis Media
Risk factors
Age : younger children has shorter eustachian canal
Family History
Craniofacial abnormalities
Altered immune status
Recurrent throat infections
Management
Use of antibiotic depend on patient factors
Severe infection signs
Age of patient
allergy to penicillin
IgA mediated reactions
Complications
meningitis
Brain abscesses
Permanent sensorineural
hearing loss,
Mastoiditis
Epidemiology
OM is a very common childhood disease. It is
especially prevalent in children younger than 2 years
of age. Furthermore, the earlier the first episode of
OM, the greater the risk of subsequent recurrent OM
and chronic otitis media with effusion.