Valsalva maneuver

Valsalva maneuver

[val-sal-vuh]
noun
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:
named after Antonio M. Valsalva (1666–1723), Italian anatomist who devised the maneuver

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Medical Dictionary

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

  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.

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