Warning Signs Of Vasovagal Syncope

Vasovagal syncope is the medical name for the condition where individuals faint due to a bodily overreaction to certain triggers. Two of the most common triggers are extreme emotional distress or the sight of blood. When a patient is exposed to the trigger, their blood pressure and heart rate suddenly drop. This causes a reduction in blood flow to the brain, which then leads to a brief loss of consciousness. In most cases, vasovagal syncope is harmless and doesn't require treatment. However, some patients may injure themselves when they faint. A patient's doctor might also recommend further testing to rule out cardiovascular disorders and other more serious conditions that cause fainting.

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Blurred Vision And Tunnel Vision

Prior to fainting, vasovagal syncope patients might experience blurred vision and tunnel vision. Tunnel vision causes the normal field of vision to narrow until an individual is only able to see the objects immediately in front of them. If an individual knows they're prone to vasovagal syncope episodes, tunnel vision can be a warning sign they need to sit down or lie down. Sometimes sitting down can prevent a fainting episode, and even when fainting does occur, an individual is much less likely to injure themselves if they're already on the ground. With vasovagal syncope episodes, the blurry or tunnel vision will occur after exposure to a trigger.

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