<prompt> High-frequency audiometry used inMinieres diseaseOtosclerosisDrug induced ototoxicitySensorineural Hearing loss  <response>: As ototoxicity appears to be most pronounced in the higher frequencies, it can be assessed at an earlier stage by using high-frequency audiometry from 8 to 20 kHz. Ototoxic drugs: Ref : Diseases of ENT by Dhingra 6th edition Pgno: 34 