A lady has B/L hearing loss since 4 years which worsened during pregnancy. Type of impedance audiometry graph will be:
Correct Answer: As
Description: (b) As(Ref. Cummings, 6th ed., 2213)Lady with B/L hearing loss with history of worsening during pregnancy is suggestive of otosclerosis.Impedance audiometry shows As type curve (normal middle ear pressure with reduced compliance). This is diagnostic of otosclerosis.Ad type curve is seen in ossicular discontinuity.B type curve is seen in serous Otitis media.C curve is seen in early stages of Eustachian tube obstruction.
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