valsalva maneuver


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valsalva maneuver

The procedure of raising the pressure in the nasal passage or the naspharynx by forcible expiration with the mouth closed and the nostrils pinched to clear the eustachian tubes. This maneuver usually is executed during descent in response to a fullness or pressure in the ears.
References in periodicals archive ?
We thought that, Valsalva maneuver resulting from severe and prolonged shouting and throat squeezing led to pneumomediastinum, thereafter existing air moved to adjacent anatomic areas.
The Valsalva maneuver is performed by forceful attempted exhalation against a closed glottis.
The purpose of the Valsalva maneuver is to accentuate the blood going from the right atrium to the left atrium by raising the pressure in the right side of the heart.
He and his coinvestigators performed a meta-analysis of the three pre-2000 randomized controlled trials that compared the standard Valsalva maneuver to carotid sinus massage plus the two newer studies, both of which systematically compared a modified Valsalva maneuver with the standard version.
(5.) Hollo G Valsalva maneuver and peripapillary OCT angiography vessel density.
(13) used a tubal compliance manometric test during the Valsalva maneuver to elucidate the relationship between deviated nasal septum surgery and tubal functions.
ETS combines tubomanometry at three pressure levels with subjectively positive Valsalva maneuver and clicking sound when swallowing [5].
Grade 1: venous reflux at the emergence of the scrotal vein only during the Valsalva maneuver; hypertrophy of the venous wall without stasis.
Thereafter, the Valsalva maneuver was performed and no CSF leakage was observed.
After Valsalva maneuver, the LVOT gradient increased strikingly to 75 mmHg (Figure 1) with a further increase to 81 mmHg after administration of amyl nitrite.
The first-line recommended emergency treatment for stable regular, narrow complex tachycardia secondary to SVT is the utilization of vagal maneuvers [2] such as the Valsalva maneuver (VM) [3] or the carotid sinus massage.
The Valsalva maneuver comprises forcible exhalation against a closed glottis.