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Sir.—In the article "Tympanometry in Acute Otitis Media: Prognostic Implications," which appeared in the March issue of the Journal (1981;135:233-235), Dr Lampe and his colleagues stated that they were unaware of previous reports concerning the presence of high-pressure-peak tympanograms in children with acute otitis media. We have previously reported on this finding,1 which correlates well with a bulging, fiery red, usually painful tympanic membrane (TM). On pneumo-otoscopy, the TM can be indented, with moderate positive pressure, and
SCHWARTZ RH. Tympanometry and Otitis Media. Am J Dis Child. 1981;135(9):864. doi:10.1001/archpedi.1981.02130330074025