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Tests For Hearing

Question
3 out of 41
 

Gelle's test is done in: (LQ)



A Senile deafness
B Traumatic deafness

C Otosclerosis
D Serous otitis media

Ans. C osteosclerosis

Gelle's test was once a popular test to find out stapes fixation in otosclerosis, but now it has been superseded by tymponometry.

In this test, bone conduction is tested and at the same time Siegel's speculum compresses the air in the meatus.

Principle

Normally, when air pressure is increased in ear canal (by Siegel's speculum)

Normally, when air pressure is increased

in ear canal (by Siegel's speculum)

Pushes the tympanic membrane inward

Ossicles are pushed inward

↑ intralabyrinthine pressure

Immobilty of basilar membrane

↑ ed hearing . test is positive

But if ossicular chain is fixed or disrupted, no such phenomenon occurs . test is negative.

Gelle's test is positive: In normal individuals, SNHL.

Gelle's test is negative: In case of fixed ossicular chain (otosclerosis) or if ossicular chain is disconnecteD.

[Ref. Dhingra Sth/ed p42, 6th/ed p 37; Tuli 1st/ed p37]

Tests For Hearing Flashcard List

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