Which of the following test assesses resistance in middle ear –
Correct Answer: Impedance audiometry
Description: Impedance Audiometry
1. It is an objective test for hearingQ
2. It is very useful in children for assessing the hearing loss. Q
3. It consists of tympanometry and acoustic reflex
Tympanometry is a measure of the condition of the middle ear at the level of tympanic membrane.
NOTE:
For infants and neonates, tympanograms obtained using a 220 Hz probe may erroneously appear normal.
∴ a higher frequency probe tone (660 or 1000 Hz) must be used
Category:
ENT
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