Hearing aids Flashcards
1
Q
Hearing aid indications
A
Anyone who has subjective hearing loss, would like an aid, and has in-tact cochlear hearing.
Hearing loss of 30 dB in the best ear by pure =tone audiometry in the 500-3000Hz range
80% incorrect word identification by speech audiometry at 65 dB
2
Q
Types of hearing aids.
A
Body worn devices
Behind the ear
Open fit devises.
Built into glasses
In the canal type,
ITC type, most common type used.
For more severe hearing loss.
Completely in the canal type is placed very deeply, reaching the bony part of auditory canal.
