close the mouth and nostrils and exhale the air, u will feel inc in pressure in ur ears, valsava maneuver is done ta change the heartbeat or to change the blood pressure.
valsalva maneuver is also done to empty bladder completely and is helpful for patients who has multiple sclerosis. this procedure is also helpful for premature ejaculators.
it is done to correct abnormal heart rates and releive chest pain. it is done to detach thrombus but it is prohibited for patients who have gone through recent heart attack. the person may feel dizzy while doing this procedure but risk factors are rare
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