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Article
March 1974

Measurement of Middle Ear Pressure in Guinea Pigs

Author Affiliations

Denver
From the Department of Surgery, Division of Otolaryngology, University of Colorado Medical Center, Denver. Dr. Eliachar is now with the Department of Otolaryngology, Aba Hushi Medical School, Rambam Hospital, Haifa, Israel.

Arch Otolaryngol. 1974;99(3):172-176. doi:10.1001/archotol.1974.00780030180004
Abstract

A simple technique designed to relate controlled changes in middle ear pressures with simultaneously measured tympanometric recordings was used to validate the electroacoustic impedance assessment of intratympanic air pressures. Seven ears in five guinea pigs were examined, and 230 coinciding manometric and tympanometric measurements were taken. The data obtained showed the manometric and tympanometric results to be within ±15 mm H2O of one another.

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