Carhart's notch dips at:
Ans. (c) 2000 Hz* Carhart Notch is an audiogram finding and is an important feature in patients with Otosclerosis.* There is a sudden dip (notch) at 2000 Hz in bone conduction curve.* Carhart s notch disappears after stapedectomy.
2 Hz
200 Hz
2000 Hz
2000 MHz
Otosclerosis