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| Vascular reflex, cause of fainting [Go Back to Keywords List Page]  | Vascular reflex, cause of fainting
Fainting is a temporary loss of consciousness caused by not
enough blood reaching the brain. Vascular reflex is a
response of the blood vessels that causes their walls to
relax. Fainting as a result of vascular reflex is the most
common and least worrisome form of fainting.
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