MSRA: Hearing Problems

Question 1

What are the causes of conductive hearing loss?

Answer 1

Wax
Otosclerosis
Tympanic membrane perforation
Otitis media with effusion (glue ear)

Question 2

What are the causes of sensorineural hearing loss?

Answer 2

Presbycusis
Acoustic neuroma
Labyrinthitis
Meniere’s disease

Question 3

Which drugs cause tinnitus?

Answer 3

Quinine
Loop diuretics (Furosemide)
Aminoglycosides (Gentamicin)
Aspirin

Question 4

What is meant by otosclerosis?

Answer 4

Autosomal dominant replacement of normal bone
Progressive hearing loss
Bilateral

Question 5

What is meant by presbycusis?

Answer 5

Age-related
Loss of hearing for higher frequencies
Bilateral

Question 6

What are the features of acoustic neuroma?

Answer 6

SN hearing loss, vertigo, tinnitus
Absent corneal reflex
Facial palsy

Question 7

Bilateral acoustic neuromas are associated with which condition?

Answer 7

Neurofibromatosis type 2

Question 8

What are the otoscopy findings in otosclerosis?

Answer 8

Majority will have a normal tympanic membrane
10% with have red/blush/flamingo tinge due to hyperaemia