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Val·sal·va maneuver

also  Val*sal*va's maneuver  n :  a forceful attempt at expiration when the airway is closed at some point : esp  :  a conscious effort made while holding the nostrils closed and keeping the mouth shut esp. for the purpose of testing the patency of the eustachian tubes, adjusting middle ear pressure, or aborting tachycardia - called also Valsalva 
A. M. Valsalva see SINUS OF VALSALVA.


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