Search results
Results from the WOW.Com Content Network
“Some 50 to 60 percent of people will have a drop in blood pressure and feel slightly lightheaded when they stand up,” he said. The symptoms occur mostly in younger people, especially young women.
A balance disorder is a disturbance that causes an individual to feel unsteady, for example when standing or walking. It may be accompanied by feelings of giddiness, or wooziness, or having a sensation of movement, spinning, or floating.
If you stand up too quickly and start to feel light headed, it's caused by a drop in blood pressure in your head and upper body. It's the same reason fighter pilots black out in high G turns, and ...
Orthostatic intolerance occurs in humans because standing upright is a fundamental stressor, so requires rapid and effective circulatory and neurologic compensations to maintain blood pressure, cerebral blood flow, and consciousness. When a human stands, about 750 ml of thoracic blood are abruptly translocated downward.
One, she says, is being dehydrated. Fatigue, dizziness and feeling lightheaded are all symptoms of dehydration. ... This can happen when standing up from a seated position or after lying down ...
Reflex syncope can occur in otherwise healthy individuals, and has many possible causes, often trivial ones such as prolonged standing with the legs locked. [citation needed] The main danger of vasovagal syncope (or dizzy spells from vertigo) is the risk of injury by falling while unconscious.
Lightheadedness is a common and typically unpleasant sensation of dizziness [1] or a feeling that one may faint. The sensation of lightheadedness can be short-lived, prolonged, or, rarely, recurring. In addition to dizziness, the individual may feel as though their head is weightless.
For premium support please call: 800-290-4726 more ways to reach us