Zusammenfassung der Ressource
Hard Hearing
- Ear Anatomy
- External ear
- Middle Ear
- Inner Ear
- Ear Physiology
- Maintaining balance
- Hearing process
- hearing pathway
- 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.