Carha’s notch is an audiometric finding associated with:
Correct Answer: Otospongiosis
Description: Carha's notch is named after Raymond Carha who described this characteristic audiogram finding first. Carha's notch refers to a dip in bone conduction threshold occurring at 2000 Hz. This is seen in patients with otosclerosis. Otosclerosis is a disorder of bone growth which affects the stapes and bony labyrinth of the cochlea. This disease is characterized by resorption of bone and new spongy bone formation around the stapes and oval window which finally result in fixation of stapes within the oval window, resulting in conductive hearing loss.
Category:
ENT
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now