Vasovagal Syncope Research Paper

Vasovagal Syncope, Pediatric

Syncope, commonly known as fainting or passing out, is a temporary loss of consciousness. It occurs when the blood flow to the brain is reduced. Vasovagal syncope, also called neurocardiogenic syncope, is a fainting spell in which the blood flow to the brain is reduced because of a sudden drop in heart rate and blood pressure.
Vasovagal syncope occurs when the brain and the cardiovascular system (blood vessels) do not adequately communicate and respond to each other. This is the most common cause of fainting. It often occurs in response to fear or some other type of emotional or physical stress. The body reacts by slowing the heartbeat or expanding the blood vessels, which lowers blood pressure. This type of fainting spell is generally

Many factors and situations can trigger an episode. Some of these include:
• Pain.
• Fear.
• The sight of blood. This may occur during medical procedures, such as when blood is being drawn from a vein.
• Common activities, such as coughing, swallowing, stretching, or going to the bathroom.
• Emotional stress.
• Being in a confined space.
• Standing for a long time, especially in a warm environment.
• Lack of sleep or rest.
• Not eating for a long time.
• Not drinking enough liquids.
• Recent illness.
• Using drugs that affect blood pressure, such as alcohol, marijuana, cocaine, opiates, or inhalants.

SYMPTOMS
Before the fainting episode, your child may:
• Feel dizzy or light-headed.
• Become pale.
• Sense that he or she is going to faint.
• Feel like the room is spinning.
• Have tunnel vision, only seeing directly ahead.
• Feel sick to his or her stomach (nauseous).
• See spots or slowly lose vision.
• Hear ringing in the ears.
• Have a headache.
• Feel warm and sweaty.
• Feel a sensation of pins and