FN: Adult Hearing loss Flashcards

1
Q

Conductive

A

Impaired conduction anywhere between auricle and round window

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2
Q

Conductive causes

A

External canal obstruction
TM perforation
Ossicle defects
Inadeuate eustacian tube ventilation of middle ear

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3
Q

External canal obstruction

A

wax
Pus
Foreign body

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4
Q

TM perforation

A

Trauma

Infection

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5
Q

Ossicle defects

A

Otosclerosis
Infection
Trauma

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6
Q

Senorineural

A

Defects of the cochlea, cochlear Nerve or brain

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7
Q

Sensorineural causes

A

drugs
Post-infective
Miscellaneous

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8
Q

Drugs

A

aminoglycosides

Vancomycin

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9
Q

Post-infective

A

Meningitis
Measles
Mumps
Herpes

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10
Q

Miscellaneous

A
Menieres
Trauma
MS
CPA lesion (e.g. acoustic neuroma)
Reduced B12
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