What is the valsalva manoeuvre?

This led to experiments with the Valsalva manoeuvre and jugular vein pressure from which his eponymous test was published.

The test battery for cardiovascular autonomic neuropathy assessment included beat-to-beat variation at rest and during forced respiration, heart rate response to standing, and Valsalva manoeuvre.

After a forced expiration, an attempt at inspiration is made with closed mouth and nose, whereby the negative pressure in the chest and lungs is made very subatmospheric; the reverse of Valsalva manoeuvre.

The Valsalva maneuver or Valsalva manoeuvre is performed by moderately forceful attempted exhalation against a closed airway, usually done by closing one's mouth, pinching one's nose shut while pressing out as if blowing up a balloon.

Excessive duration and/or intensity of activities that mimic valsalva manoeuvres, i.e. that increase intrathoracic pressure, can cause barotrauma, and hence pregnancy (and constipation and other causes of excessive straining) can be a precipitating cause of Hamman's syndrome.

In the standard test the oesophageal pH was monitored 5 cm above the manometrically defined lower sphincter during four provocations (deep breathing Valsalva manoeuvre and cough, for three times, and Trendelenburg position for three minutes), when a fall to pH<4 was considered to indicate reflux.

If this fails, then the Valsalva maneuver may be used.

A person may be asked to do a Valsalva maneuver during certain medical tests or exams.

The Valsalva maneuver works by decreasing preload to the heart.

The glottis is also important in the valsalva maneuver.

A Valsalva maneuver is an effort to exhale without letting air escape through the nose or mouth.

During ascent, students are asked to yawn and on descent they need to perform the valsalva maneuver.

The Valsalva maneuver may be used to arrest episodes of supraventricular tachycardia.

Upon performing the Valsalva maneuver, intraspinal pressure slightly increases.

The sufferer holds his breath against a closed glottis, similar to the Valsalva maneuver.

If you have a herniated disc, a Valsalva maneuver may increase pain or other disc-related symptoms.

This can be relieved by the Valsalva maneuver or by "jaw wiggling".

Defecation can be facilitated by the Valsalva maneuver.

The Valsalva maneuver assists in lifting, excretion, pushing, and birthing.

Like the valsalva maneuver, it is a therapy for SVT.

Core muscles are very important in the Valsalva maneuver, which is when a person's thorax tightens while holding their breath.

Sexual intercourse can also trigger a subarachnoid hemorrhage via the Valsalva maneuver.

People often use a Valsalva maneuver during some common activities, such as straining to have a bowel movement or blowing a stuffy nose.

It is a regular narrow complex tachycardia that usually responds well to the Valsalva maneuver or the drug adenosine.

Murmur increases with standing and valsalva maneuver.

Intraocular pressure spikes occur during any activity accompanied by the Valsalva maneuver, including weightlifting.

Waddell's nosebleed was due to the Valsalva maneuver, or an abrupt increase in intrathoracic pressure.

A Valsalva maneuver is not normally harmful but it may cause irregular heart rhythms in some people who have certain types of heart disease.

Repeated Valsalva maneuvers are also suspected to increase the permeability of the foramen for divers at risk.

The Valsalva maneuver may be of use in checking for a dural tear following certain spinal operations such as a microdiscectomy.

The sapheno-femoral junction will be tested by the Valsalva maneuver with the use of color and doppler being very useful at this stage.