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Fainting is a temporary loss of consciousness. If you're about to faint, you'll feel dizzy, lightheaded, or nauseous. Your field of vision may "white out" or "black out." Your skin may be cold and clammy. You lose muscle control at the same time, and may fall down.

Fainting usually happens when your blood pressure drops suddenly, causing a decrease in blood flow to your brain. It is more common in older people. Some causes of fainting include

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Photograph of EEG and EKG patterns
Results 1 - 10 of 1,080 for syncope
  1. Fainting (National Library of Medicine)  
    Fainting is a temporary loss of consciousness. If you're about to faint, you'll feel dizzy, ... at the same time, and may fall down. Fainting usually happens when your blood pressure drops suddenly, ...
  2. Autonomic Nervous System Disorders (National Library of Medicine)  
    Your autonomic nervous system is the part of your nervous system that controls involuntary actions, such as the beating of your heart and the widening or ...
  3. Passed out; Light-headedness - fainting; Syncope; Vasovagal episode ... tone and the color in your face. Before fainting, you may also feel weak, nauseated, and have ...
  4. Syncope (Fainting) (American Heart Association)  
    Syncope (Fainting) Updated:Nov 18,2014 What is syncope? Syncope is temporary loss of consciousness and posture, described as "fainting" or "passing out." It's usually related to temporary ...
  5. Fainting (Syncope) (AGS Foundation for Health in Aging)  
    ... our e-newsletter! Aging & Health A to Z Fainting (Syncope) Basic Facts & Information Compared to younger adults, syncope— ...
  6. ... information Sinus bradycardia Syncope Tilt testing Patient information: Syncope (fainting) (Beyond the Basics) Author Brian Olshansky, MD Section ...
  7. Fainting during Urination (Micturition Syncope): What Causes It? (Mayo Foundation for Medical Education and Research)  
  8. Frequently Asked Questions on Syncope After Vaccination (Centers for Disease Control and Prevention)  
    ... 2007 2006 2005 2004 2003 2002 2001 2000 Syncope Related Quick Links Syncope Presentation Immunization Works! Frequently Asked Questions on Syncope After Vaccination On this Page What is syncope ...
  9. Dizziness and Fainting Spells (American Academy of Pediatrics)  
    ... and Fainting Spells Health Issues Listen Dizziness and Fainting Spells Article Body Syncope (Dizziness and Fainting Spells) A temporary decrease in blood flow to ...
  10. Vasovagal Syncope (Fainting) (Mayo Foundation for Medical Education and Research)  
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