"Boiler's notch" is suggestive of ?
Boiler notch/Acoustic dip is seen in Noise induced hearing loss NIHL Boiler notch at 4000Hz Notch is seen in BC curve AC curve notch are insignificant Maximum seen at 3000-6000Hz Sound causing maximum NIHL 2000-3000Hz Stereocilia of Outer hair cells are first to be affected
Conductive Hearing Loss
Noise Induced Hearing Loss (NIHL)
Both 1 and 2
Normal Finding
Otosclerosis