less formally, the patient may be asked to bear down, as if having a bowel movement. During this 30 second period, a recording is made of the changes in blood pressure and murmurs of the heart.
The Valsalva maneuver is used with patients who have suspected heart abnormalities, often in conjunction with echocardiography.
The Valsalva maneuver also corrects some rapid heartbeats originating in the atria. When the maneuver is done correctly, blood pressure rises. This forces the heart to respond by correcting its rhythm and beating more slowly.
because
the Valsalva maneuver could predict mortality in elderly patients with congestive heart failure. This could prove to be a new noninvasive way to help determine how long elderly patients with congestive heart failure are expected to live.
vocal folds
Yes
when a doctor listens to the chest with a stethoscope during the Valsalva maneuver, characteristic heart sounds are heard. Variations in these sounds can indicate the type of abnormality present in the heart.
The Valsalva maneuver should not be performed by patients who have severe coronary artery disease, have experienced recent heart attack, or have a moderate to severe reduction in blood volume.
No, it collapses.
Yes, that is true.
It's called a Muller maneuver and involves forced inspiration against a closed glottis.
Unrelated to any evaluation of the heart, the Valsalva maneuver also is taught to patients with multiple sclerosis who are unable to fully empty the bladder (flaccid bladder).