Otology Flashcards

(33 cards)

1
Q

sensorineural hearing is mediated by the

A

inner ear

cochlea

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2
Q

conductive hearing is mediated by the

A

middle ear

ossicles - stapes, malleus, incus

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3
Q

Where does auricular haematoma come from?

A

head injury or trauma

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4
Q

management of auricular haematoma

A

pressure bandage

incision and drainage

antibiotics

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5
Q

what is the definition of otitis externa?

A

inflammation of the external auditory meatus

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6
Q

how would you treat otitis externa?

A

antibiotic/steroid ear drops

suction under microscope

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7
Q

how can you prevent otitis externa?

A

no water or cotton buds in ears!

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8
Q

malignant otitis externa is

A

osteomyelitis of the temporal bone

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9
Q

how does malignant otitis externa present?

A

severe pain in the elderly

granulations in external auditory meatus

cranial nerve palsies

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10
Q

malignant otitis externa - how is it managed?

A

antibiotics

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11
Q

what is otitis media with effusion?

A

sterile fluid in the middle ear

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12
Q

what are the three types of otitis media?

A

acute

chronic

with effusion

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13
Q

how does otitis media with effusion present?

A

hearing loss

speech delay

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14
Q

otovent

A

the balloon you in breath in with nostril to help equalise pressure

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15
Q

grommet

A

tube that helps equalise pressure

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16
Q

how to you treat otitis media with effusion?

A

observe for 3 months

otovent

grommet

17
Q

how would you treat acute otitis media?

A

observation

amoxicillin

18
Q

what is acute otitis media?

A

pus in the middle ear

19
Q

tympanosclerosis

A

calcification in tympanic membrane

20
Q

what is chronic otitis media?

A

perforated tympanic membrane

or

cholesteatoma

21
Q

causes of a perforated tympanic membrane

A

infection

trauma (loud noises)

grommet

22
Q

what are some complications of chronic otitis media?

A

dead ear

facial palsy

meningitis

brain abscess

23
Q

eardrum also known as the

A

tympanic membrane

24
Q

how does a perforated ear drum present?

A

hearing loss

recurrent infections

25
what procedure repairs perforated ear drums?
myringoplasty
26
cholesteatoma presents as
persistant offensive discharge from the ear
27
how is cholesteatoma managed?
mastoidectomy
28
osteosclerosis is ........ hearing loss. it results in the need for a ...... .......
conductive hearing aid
29
causes of vertigo
labyrinthitis benign positional vertigo migraine menieres disease
30
what test would you do for benign positional vertigo?
dix hallpike test
31
how would you manage benign proximal vertigo?
epley manoeuvre
32
labyrnthitis (vestibular neuritis) is what?
reactivation of the latent HSV infection of the vestibular ganglion
33
pathology of menieres disease
endolymphatic hydrops