Title: What would causes someone to black out behind the wheel while driving? | Yahoo Answers
Headings: What would causes someone to black out behind the wheel while driving?
What would causes someone to black out behind the wheel while driving?
22 Answers
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rawkstar092
1 decade ago
A blackout or sudden loss of consciousness can be due to several causes, and it is not always easy to determine the exact cause in a particular case. A simple faint would probably be the least serious cause. Fainting can occur for many reasons, such as standing in one position for a long time, being dehydrated, severe fright (e.g., at the sight of blood), or other emotional stress. Prior to fainting, some people may experience warning symptoms such as sweating, light-headedness, weak knees, or queasiness of the stomach. A variety of heart problems can cause a blackout. Some people may have very low blood pressure or a sudden drop in their blood pressure when they stand up. Irregularities of heart rhythm may produce a sudden loss of consciousness without any warning signs. The heart may stop beating for a while or throw in extra beats or beat very fast, all of which result in reduced blood flow to the brain. A seizure is another reason for loss of consciousness. With a seizure, the person may have jerking movements of the arms and legs and lose bowel or bladder control.