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Acoustic reflectometry
The device sends out a sound that bounces off the eardrum and then measures the eardrum's mobility. Normal movement generates "greater than 120". If there is fluid behind the drum dampening the movement the number can be as low as 40. It's a quick and easy measurement of middle ear fluid.
Ear infection
Condition
Middle ear infection
Condition
Frequent ear infections
Condition
Perforated eardrum
Condition
Ruptured eardrum
Condition
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