![]() ![]() Tympanometry provides information about the stiffness, mass and resistance of the middle ear (often described as mobility of the tympanic membrane) 3). Combined with otoscopy, tympanometry is an objective, fast, and highly accurate way to rule out outer and middle ear pathology. The measurements of acoustic admittance at various pressure points are graphed to form a tympanogram 2). The tympanogram is a measure of middle ear function and can help differentiate many pathologic conditions. Tympanometry provides information on acoustic admittance, which is a measure of the ease with which energy flows through the middle ear system, and impedance, which is the opposition to this flow 1). Tympanometry also called tympanometry impedance testing, is a clinical test measuring tympanic membrane mobility to detect problems in the middle ear and is graphically displayed as a tympanogram. Subjects with a corrected age under 6 months using a 1000-Hz probe tone.
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