Noise-induced hearing loss Flashcards
1
Q
Features
A
Onset of tinnitus after work in excessive noise
Speech seems muffled soon after work
Temporary loss initially but becomes permanent if noise exposure continues
High-frequency loss on audiogram
Sounds exceeding 85 dB are potentially injurious to the cochlea
- esp. with prolonged exposures.
Common sources of injurious noise are:
- industrial machinery
- weapons
- loud music