Tympanometry Flashcards
1
Q
tmpanometry
A
test for middle ear function
mobility of tympanic mmebrane
2
Q
type a tympanogram
A
normal
pressure change however
3
Q
type ad
A
higher than normal peak
overly mobile tympanic membrane
4
Q
type as
A
low amplitutude peak
reduced mobility
5
Q
type b
A
something restricting the movement of the drum
fluid in children perhaps
6
Q
cuases of type b flat
A
midddle ear effusion
tmpanic membrane perforation
wax
7
Q
type c
A
drum is moving but somethign is retratcing it inwards
8
Q
causes of type c
A
eustachian tube dysfunction causing middle ear pressure to be less than atmospheric due to inadequate ventilation to middle ear
9
Q
normal ear canal volume
A
0.6- 2.2
10
Q
A
