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Tympanometry is a test that measures the movement of your eardrum, or tympanic membrane. Along with other tests, it may help diagnose a middle ear problem.
A complete blood count, or CBC, measures several components of your blood and can help diagnose a broad range of conditions, from anemia and to cancer.
A nasopharyngeal culture is a test used to diagnose upper respiratory infections. Find out what it's used for and what to expect.