Ear Disease Flashcards

1
Q

name the 3 types of hearing loss

A

conductive
sensorineural
mixed

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2
Q

define otalgia

A

pain in the ear

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3
Q

name the thick part of the eardrum

A

pars tensa

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4
Q

name the thin part of the eardrum

A

pars flaccida

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5
Q

define otitis externa

A

inflammation of the skin of the ear canal

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6
Q

otitis external can be __________ or ______

A

otitis external can be BACTERIAL or FUNGAL

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7
Q

what are the common causes of otitis externa?

A

water
cotton buds
skin conditions like eczema and psoriasis
DM

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8
Q

acute otitis media is more common in who and is associated with what?

A

AOM
children
glue ear and URTI

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9
Q

name the 3 types of chronic otitis media

A

otitis media with effusion - glue ear

cholesteatoma

perforation

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10
Q

what is the other term for acute otitis media with effusion?

A

glue ear

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11
Q

acute otitis media with effusion is more common in who?

A

children

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12
Q

what is glue ear associated with dysfunction/obstruction of?

A

eustachian tube

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13
Q

chronic hearing loss with flat tympanogram

diagnosis?

A

otitis media with effusion - glue ear

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14
Q

perforation is commonly due to what?

A

AOM

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15
Q

presence of keratin within the middle ear

diagnosis?

A

cholesteatoma

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16
Q

cholesteatoma erodes what?

A

surrounding bone

17
Q

what does cholesteatoma cause?

A

hearing loss and discharge

18
Q

cholesteatoma treatment?

A

surgical excision and reconstruction

19
Q

complications of cholesteatoma?

A

brain abscesses
mastoiditis
thrombus
facial palsy

20
Q

gradual onset conductive hearing loss

more common in women

progresses more rapidly during pregnancy

familial

fixation of stapes footplate

correction by stapedectomy

diagnosis?

A

otosclerosis

21
Q

define otosclerosis

A

abnormal bone growth of middle ear

22
Q
AOM
cholesteatoma
otitis externa
AOM
glue ear
COM

the above all cause what type of hearing loss?

A

conductive

23
Q

what term is giving to degenerative hearing loss?

A

presbycusis

24
Q

what frequency is usually lost in presbycusis?

A

high frequencies

25
Q

there is a classical dip on an audiograph in those with presbycusis at what frequency?

A

4 kHz (4000Hz)

26
Q

name the drugs that cause hearing loss

A

gentamicin

chemotherapeutic drugs such as cisplatin and vincristine

aspirin and NSAIDs in overdose

27
Q

name the benign tumour arising in the internal acoustic meatus

A

vestibular schwannoma

28
Q

what test do you perform to diagnose vestibular schwannoma

A

MRI

29
Q

how does vestibular schwannoma present?

A

hearing loss
tinnitus
imbalance

30
Q

vestibular schwannoma and presbycusis is what type of hearing loss?

A

sensorineural