Body Position and Acoustic Admittance

The purpose of this study was to determine the effects of body position on the acoustic admittance of the normal middle ear mechanism. Susceptance tympanograms were obtained and their values recorded to determine the significance of any differences among five different body positions. A positive pre...

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Bibliographic Details
Published in:	Ear and hearing Vol. 6; no. 2; pp. 76 - 79
Main Authors:	Daniel, Hal J, Hume, W Garrett, Givens, Gregg D, Jordan, Jeffrey H
Format:	Journal Article
Language:	English
Published:	Baltimore, MD Williams & Wilkins 01-03-1985 Lippincott Williams & Wilkins
Subjects:	Acoustic Impedance Tests Adult Air Pressure Auditory Threshold Biological and medical sciences Ear Canal - physiology Female Humans Investigative techniques, diagnostic techniques (general aspects) Male Medical sciences Otorhinolaryngology functional investigation (larynx, voice, audiometry, vestibular function, equilibration...) Posture Tympanometry Patient position
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Summary:	The purpose of this study was to determine the effects of body position on the acoustic admittance of the normal middle ear mechanism. Susceptance tympanograms were obtained and their values recorded to determine the significance of any differences among five different body positions. A positive pressure shift was found to occur at the point of maximum compliance between the upright body position and the remaining four recumbent body positions. Attention should be given to the effects that differing body positions have on acoustic admittance whenever assessment of this nature is anticipated.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0196-0202 1538-4667
DOI:	10.1097/00003446-198503000-00003