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31 Cards in this Set
- Front
- Back
Congenital malformations
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When the branchial arches fail to fuse and fail to form the external ear canal
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Cochleovestibular system
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The development of the inner ear is independent of the outer ear and middle ear
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Conductive hearing loss
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When the hair cells are not harmed in the inner ear, but the signal is not reaching them through outer and middle ear.
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Atresia
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The lack of an ear canal. A conductive hearing loss.
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Collapse canal
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When the cartilage in the ear canal is flaccid. Conductive hearing loss.
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Microtia
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A small or deformed pinna, no hearing loss
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Anotia
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The total absence of a pinna, no significant hearing loss.
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Stenosis
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The narrowing of the ear canal, no hearing loss.
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Foreign bodies
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Bugs, etc. In the ear canal. As long as there's a passageway, no hearing loss.
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Myringitis
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An infection/inflammation of the tympanic membrane
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Ossicular chain dysfunction
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When ossicles are dislocated as a result of violent head injuries. Leads to a conductive hearing loss.
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otoplasty
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Plastic surgery to remedy outer ear problems
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Hematoma
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A blood clot in the middle ear
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Otosclerosis
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When the ossicular chain is calcified and creates extra mass in the ossicles. Leads to a conductive hearing loss.
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Otitis media
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A blockage of the Eustachian tube or tympanic membrane inflammation
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Acute otitis media
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3+ weeks (rapid onset)
Lasting 10 days |
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Chronic Otitis media
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3+ months
Slow onset |
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Subacute otitis media
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Between 3weeks and 3 months
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Recurrent otitis media
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3+ in six months or 7+ in 12 months
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Effusion
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A collection of fluid in the middle ear space.
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Cholesteatoma
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A tumor in the middle ear, resulted from untreated otitis media. Leads to a conductive hearing loss.
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Stapedectomy
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A replaced stapes, done for cholesteotoma problems
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Mastoidectomy
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Done on patients with mastoiditis (infection of mastoid bone)
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Swimmers ear
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External Otitis
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Tympanosclerosis
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Scarring/ thickening of the tympanic membrane. No hearing loss.
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Perforation of the tympanic membrane
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A hole in the tympanic membrane
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Exostosis
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Hard bony growth on the external auditory meadus
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Osteoma
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Spongy bony growth
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Otorreha
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Fluid drainage
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STORCH
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PRENATAL
Syphilis Toxoplasmosis Rubella Cytomegalovirus Herpes simplex *all lead to a sensorineural hearing loss (because inner ear) |
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Pseudohypacusis
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A hearing loss that has no base, a "fake" hearing loss with a elevated threshold for no reason.
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