Dip at 4000hz in pure Tone audiometry indicates:-
High-Yield Explanation
2000Hz / Carha's Notch: seen in otosclerosis (CHL)4000Hz Dip/boiler's notch :seen in noise induced hearing loss (SNHL)Both are seen in bone conduction.
Related ENT MCQs
65 year old person with hearing loss with normal speech discrimination is suffering from?
General
Most common ossicle affected due to trauma -
General
All of the following are features of Tubotympanic CSOM except ?
General
All of the following are extrinsic laryngeal membranes except?
General
SADE classification classifies
General