To the Editor.—Since the original description of tympanometry by Terkildsen and Thomsen,1 widespread interest has evolved in this method of studying some of the properties of normal and impaired ears. Tympanometry is routinely performed in many audiology and otology clinics, as well as a growing number of public school hearing-conservation programs. Unfortunately, however, there has been little, if any, refinement in the clinical application of acoustic impedance measurements; this has not been because of a lack of information regarding measurement procedures, but rather due to poor communication between those who routinely perform tympanometry and those who have carefully studied the acoustic properties of normal and pathologic auditory systems. In fact, two almost mutually exclusive literatures exist, one dealing with clinical problems, and another with directly relevant acoustic studies of the middle ear.
The article "Tympanometry as a Predictor of Middle Ear Effusion" by Orchik et al in the
MARGOLIS RH. Tympanometry for Prediction of Middle Ear Effusion. Arch Otolaryngol. 1979;105(4):225. doi:10.1001/archotol.1979.00790160059016
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