Impedance Audiometry, also known as tympanometry, is a diagnostic test that assesses the function of the middle ear by measuring how sound is transmitted through the ear canal. This test is particularly useful in evaluating the condition of the eardrum and the middle ear structures, including the ossicles. By creating changes in air pressure within the ear canal, the test helps to identify abnormalities that may affect hearing, such as fluid in the middle ear or eardrum perforations. One of the primary benefits of Impedance Audiometry is its ability to detect issues that might not be obvious with other types of hearing tests. For instance, it can reveal conditions like otitis media, a common ear infection characterized by fluid buildup behind the eardrum. This test can also help diagnose Eustachian tube dysfunction, which can lead to hearing problems and a feeling of fullness in the ears.
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