Collapse of the Ear Canal During Audiometry

Creston, James E.; Tice, Robert E.

doi:10.1001/archotol.79.4.389

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1996

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“…Other reports have confirmed that ainbone gaps due to ear canal closure, may be seen across the frequency range, although they are usually more pronounced at the higher frequencies, particularly at 2 kHz and 3 kHz (Chandler, 1964;Creston and Tice, 1964;Marshall and Grossman, 1982). Values for attenuation of the air conduction threshold due to canal closure range between 5 dB and 40 dB.…”

Section: Introductionmentioning

confidence: 77%

Misdiagnosis of hearing loss due to ear canal collapse: a report of two cases

Mahoney

Luxon

1996

J. Laryngol. Otol.

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Collapse of the external auditory meatus during audiometry can lead to spuriously increased hearing thresholds being obtained, particularly at high frequencies, and may simulate conditions such as noise-induced hearing loss, presbyacusis and retrocochlear pathology. Consequently, inappropriate investigations and management may be undertaken. Two patients with elevated thresholds secondary to ear canal collapse are described. The implications of initially failing to identify the true nature of their 'hearing losses' are highlighted and strategies to avoid such pitfalls are discussed.

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Section: Introductionmentioning

confidence: 77%