Q-8. Car-hart’s notch is found is
a) Otospongiosis
b) CSOM
c) Meniere’s disease
d) Acoustic neuroma
Answer: Otospongiosis
Explanation:
Car-hart’s notch is seen in otosclerosis. Bone conduction curve shows maximum loss at 2000 Hz.
Car-hart’s notch disappears after successful stapedectomy.