Home	Medical Tests, Signs, and Maneuvers Click a Letter to view the terms that start with that letter: [ A ] [ B ] [ C ] [ D ] [ E ] [ F ] [ G ] [ H ] [ I ] [ J ] [ K ] [ L ] [ M ] [ N ] [ O ] [ P ] [ Q ] [ R ] [ S ] [ T ] [ U ] [ V ] [ W ] [ X ] [ Y ] [ Z ] [ ALL ]     Valsalva’s maneuver 1. Forcible exhalation effort against closed glottis; the resultant increase in intrathoracic pressure interferes with venous return to the heart. 2. Forcible exhalation effort against occluded nostrils and a closed mouth; the increase pressure in the eustachian tube and middle ear cause the tympanic membrane to move outward.   Vanzetti’s sign In sciatica the pelvis is always horizontal in spite of scoliosis, but in other lesion with scoliosis the pelvis is inclined.