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- (medicine) A self-administered procedure comprising an attempted exhalation against a closed airway, usually performed by closing one's mouth and pinching one's nose shut while attempting, with moderate force, to expel air.
- Variations of the Valsalva manoeuvre can be used during medical examination.
- 1983, Roger Bannister, Autonomic Failure, Oxford University Press, page 426,
- We observed forearm vasodilatation following the Valsalva manoeuvre in 11 out of 19 normal subjects; the remainder showed a persistent forearm vasoconstriction (Bennett et al. 1979b).
- 2018, Alex Blasdel, Bowel movement: the push to change the way you poo, in The Guardian,
- When that time comes, a person may perform the Valsalva manoeuvre, increasing the pressure inside the abdomen by exhaling against a closed airway as if popping one’s ears on a flight.
- 2019, David Chambers, Christopher Huang, Gareth Matthews, Basic Physiology for Anaesthetists, Cambridge University Press, 2nd Edition, page 175,
- The Valsalva manoeuvre is performed by forced expiration against a closed glottis. It is attributed to Antonio Valsalva (1666–1723), who described it as a test of Eustachian tube patency and as a method of expelling pus from the middle ear.
self-administered medical procedure of attempting to blow against a closed airway