Hearing loss

Question 1

List the causes of conductive hearing loss

Answer 1

Wax
Otosclerosis
Otitis media
Glue ear

Question 2

List the causes of chronic sensorineural hearing loss

Answer 2

Due to accumulated environmental noise toxicity
Presbyacusis
Inherited disorders

Question 3

What is presbyacusis

Answer 3

Loss of acuity for high frequency sounds starting before age 30yo
Hearing is most affected in presence of background noise

Question 4

What is the usual treatment for presbyacusis

Answer 4

Hearing aids

Question 5

List the causes of sudden sensorineural deafness

Answer 5

Noise exposure
Gentamicin/other toxins
Mumps
Acoustic neuroma
MS
Stroke
Vasculitis
TB

Question 6

What investigations do you do for sudden sensorineural deafness

Answer 6

ENT opinion on the day
ESR, FBC, LFT, pANCA, viral titres and TB
CXR and MRI
Lymph node and nasopharyngeal biopsy for culture