Principle
 Transmission of sound in different media.
 Impedance –stiffness,mass and friction.
 Complaince.
 Pressure .1dkp=1.02mm of water.
 220 or 226hz .
 Pressure +300 to -600 mm water.
 Normal complaince-0.35 to 1.40 ml.
 Normal pressure- +50dkpa to -50dkpa.
Absolute,Relative,Compensated
tympanogram
Types of tympanogram-jergers
 -A Type
 -B Type
 -C Type
Normal tympanogram
Clinical scenarios
1
2
3
4.
5.
6.
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9.
10.
ACOUSTIC REFLEX
 -simple
 -non invasive
 -objective
 -Newborn babies
THANKYOU

Tympanometry