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Flashcards in ENT Deck (18)
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1

Impaired transmission along external ear canal. Often temporary. Causes: cerumen impation, otits externa, otitis media, otosclerosis

conductive

2

Hearing los caused by disruption in nerves. Many causes (neural degen, dec cilia, probs in ossicles)

sensorineuronal

3

MCC of sensorineural hearing loss. Occurs w age. M>F. exac by noise exposure

Presbycusis
*higher freq *problems with noise discrimination

4

Recurrent, progress attacks lasting min-hours of hearing loss, tinnitus, dizziness/vertigo. Cause unknown.

Meniere's
*tx with diuretics/salt restriction
*distention of endolymphatic compartments

5

F>M. Hearing loss may be assoc with tinnitus, vertigo, ataxia, brain stem dys. Dx on CT/MRI

Acoustic neuroma/ vestibular schwannoma

6

Drug causes of hearing loss

streptomycin
kanamycin
neomycin
ethacrynic acid
chloramphenicol *tinnitus first sx

7

Test testing lateralization

weber

8

test of AC and BC

rinne

9

hearing loss with
BC>AC
Lateralization of affected ear

conductive

10

hearing loss
lateralizes to good ear
AC>BC

sensorineuronal

11

Bullae on otitis media exam suggest what bacteria?

mycoplasmae

12

OM first line meds

amoxicillin, erythromycin/sulfonamide, augmentin, bactrim, cefaclor

13

OM tx in pt allergic to PCN

erythromycin/ clarithromycin

14

Causes of otitis externa

pseudomonas, enterobacteriaceae, proteus sp.
*fungi rare

15

Causes (bacterial) of otitis media AND sinusitis

strep pneumo, H flu, Moraxella catarrhalis, Strep pyogenes, Staph areus

16

Centor criteria

fever (100.4), anterior cervical adenopathy, lack of cough, pharyngotonsillar exudates

*3/4= highly suggestive strep
2/4 = culture needed
1/4 = strep unlikely

17

tx strep throat

PCN or erythromycin

18

prophy for contacts of pts with epiglottitis who aren't immunized

rifampin