Hearing loss Flashcards
1
Q
List the causes of conductive hearing loss
A
Wax
Otosclerosis
Otitis media
Glue ear
2
Q
List the causes of chronic sensorineural hearing loss
A
Due to accumulated environmental noise toxicity
Presbyacusis
Inherited disorders
3
Q
What is presbyacusis
A
Loss of acuity for high frequency sounds starting before age 30yo
Hearing is most affected in presence of background noise
4
Q
What is the usual treatment for presbyacusis
A
Hearing aids
5
Q
List the causes of sudden sensorineural deafness
A
Noise exposure Gentamicin/other toxins Mumps Acoustic neuroma MS Stroke Vasculitis TB
6
Q
What investigations do you do for sudden sensorineural deafness
A
ENT opinion on the day
ESR, FBC, LFT, pANCA, viral titres and TB
CXR and MRI
Lymph node and nasopharyngeal biopsy for culture
