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A tympanometry test primarily assesses the middle ear pressure and compliance. This test is a valuable tool in evaluating the function of the middle ear by measuring the movement of the tympanic membrane (eardrum) in response to changes in air pressure within the ear canal.

During tympanometry, a small probe is inserted into the ear canal, which creates varying levels of air pressure. The resulting movement of the eardrum is recorded, allowing healthcare professionals to determine how well the middle ear is functioning. Specifically, this test can reveal information about the presence of fluid in the middle ear, Eustachian tube function, and potential conductive hearing loss.

The test's focus on the middle ear pressure and compliance is crucial for diagnosing conditions such as otitis media (which may cause fluid buildup) or eustachian tube dysfunction. By assessing these parameters, clinicians can make informed decisions about further evaluation or treatment for ear-related issues.