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Heart rhythm changes are the most common causes of passing out, fainting, or syncope. While this may sound ominous, frequently the faint is due to a temporary change in normal body function.
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www.medicinenet.com/fainting/page2.htm
www.medicinenet.com/fainting/page2.htm
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Alternate Name(s): Passed out; Lightheadedness - fainting; Syncope; Vasovagal ... Fainting may occur while you are urinating, having a bowel movement (especially if straining), coughing strenuously, or when you have been standing in one place too long. Fainting can also be related to fear, severe pain, or emotional distress. ...
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www.nlm.nih.gov/medlineplus/ency/article/003092.htm#Com...
www.nlm.nih.gov/medlineplus/ency/article/003092.htm#Common%20Causes
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Fainting is a temporary loss of consciousness due to a drop in blood flow to the brain. The episode is brief (lasting less than a couple of minutes) and is followed by rapid and complete recovery. You may feel lightheaded or dizzy before fainting. ... Back to TopCommon Causes...
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health.nytimes.com/health/guides/symptoms/fainting/over...
health.nytimes.com/health/guides/symptoms/fainting/overview.html
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If lightheadedness gets worse, it can lead to a feeling of almost fainting or a fainting spell (syncope). You may sometimes feel nauseated or vomit when you are lightheaded. ... Lightheadedness has many causes, including:
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www.webmd.com/brain/tc/dizziness-lightheadedness-and-ve...
www.webmd.com/brain/tc/dizziness-lightheadedness-and-vertigo-topic-overview
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Among the many causes of fainting are poor blood circulation, pain, stress, the sight of blood, drug or alcohol use, dehydration, sleep deprivation, head injury, seizure, heart disease and stroke. Excessive dieting or mineral deficiencies, particularly of potassium, can make a person black out.
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www.mothernature.com/Library/Bookshelf/Books/16/80.cfm
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Bow your head. If you feel light-headed, lie down or lower your head between your legs. That will increase blood flow to your brain and heart and reduce your chances of fainting, doctors say. ... From the Rodale book, Symptoms, Their Causes & Cures: Edit id 2456...
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www.mothernature.com/Library/Bookshelf/Books/16/131.cfm
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Is it unusual to feel lightheaded during pregnancy? ... It will likely keep you from actually fainting and may relieve the sensation of lightheadedness altogether. ... Here are some of the most common causes of lightheadedness during pregnancy and some advice on how to avoid them: • Standing up too fast When you sit,
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www.babycenter.com/0_dizziness-and-fainting-during-preg...
www.babycenter.com/0_dizziness-and-fainting-during-pregnancy_228.bc
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Fainting (Lightheadedness - Fainting, Passed Out, Syncope, Vasovagal) information center covers causes, symptoms, expectations, home care, signs of concern, and treatment. ... Fainting is a temporary loss of consciousness due to a drop in blood flow to the brain. The episode is brief (lasting less than a ... Common Causes;
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health.allrefer.com/health/fainting-info.html
health.allrefer.com/health/fainting-info.html
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Light-headedness is a feeling that fainting may occur in the next few moments. Light-headedness usually occurs when a person gets up quickly after sitting or lying down for a while. ... Depression sometimes causes dizziness. People who are depressed may lose confidence in their ability to interact with their surroundings.
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www.merck.com/pubs/mmanual_ha/sec3/ch20/ch20b.html
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