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Valsalva maneuver

[val-sal-vuh] /vælˈsæl və/
a forced expiratory effort against a closed glottis that decreases intrathoracic pressure, hampering venous return to the heart, and that can be used to inflate the Eustachian tubes and adjust pressure in the middle ear.
Origin of Valsalva maneuver
named after Antonio M. Valsalva (1666-1723), Italian anatomist who devised the maneuver Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Valsalva maneuver in Medicine

Valsalva maneuver Val·sal·va maneuver (vāl-sāl'və)

  1. Expiratory effort when the mouth is closed and the nostrils are pinched shut, which forces air into the eustachian tubes and increases pressure on the inside of the eardrum.

  2. Expiratory effort against a closed glottis, which increases pressure within the thoracic cavity and thereby impedes venous return of blood to the heart.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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