ENT Flashcards
On an audiogram, which symbol represents bone conduction in the right ear?
[ or
On an audiogram, which symbol represents bone conduction in the left ear?
] or >
On an audiogram, which symbol represents air conduction in the left ear?
X
On an audiogram, which symbol represents air conduction in the right ear?
O
What level of hearing loss is considered ‘normal’?
Up to 20 decibels
Air-bone gap suggests…
Conductive hearing loss
Reduced air and bone conduction with no gap suggests…
SNHL
Dip at 2kHz on audiometry is…
Carhart’s notch → otosclerosis
Dip at 4kHz on audiogram suggests…
Noise-induced hearing loss
Better hearing at very low and high frequencies with drop in mid-freq suggests…
cookie bite → congenital deafness
A flat typanogram may be caused by…
OM /OME /Perforation
A negative pressure typanogram may be caused by…
Eustachian tube dysfunction
How is sudden-onset SNHL managed?
Referral to ENT and high dose corticosteroids
Give examples of medications which may cause tinnitus.
Aspirin/NSAIDs
Aminoglycosides
Loop diuretics
Quinine
hearing loss, vertigo, and tinnitus suggests…
Meniere’s disease