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  1. Common Causes and Triggers of the Vagal Response

    Oct 30, 2025 · A vasovagal response (also called a vasovagal reflex or fainting spell) happens when the body overreacts to certain triggers like stress, pain, heat, dehydration, or standing …

  2. Vasovagal syncope - Symptoms and causes - Mayo Clinic

    Feb 15, 2025 · Vasovagal syncope can happen without a trigger. During a vasovagal syncope episode, your heart rate slows, and the blood vessels in your legs widen. This allows blood to …

  3. Common triggers of vasovagal syncope and how to reduce your …

    Nov 4, 2024 · What is vasovagal syncope? Vasovagal syncope occurs when the vagus nerve, which carries signals from the brain to the rest of the body and controls functions including …

  4. Vasovagal Syncope: Symptoms, Causes & Treatment

    Mar 4, 2025 · Vasovagal Syncope Vasovagal syncope happens when your nervous system overreacts, and you pass out from things like feeling anxiety or exhaustion or seeing needles. …

  5. Vasovagal Syncope: Symptoms, Causes, and Treatment - Health

    Jun 8, 2025 · Vasovagal syncope is a common type of fainting. It happens when your vagus nerve gets overstimulated and your blood pressure drops.

  6. Vasovagal Syncope - University of Rochester Medical Center

    Vasovagal syncope is the most common cause of fainting. It happens when the blood vessels open too wide or the heartbeat slows, causing a temporary lack of blood flow to the brain.

  7. Reflex syncope - Wikipedia

    The majority of people with vasovagal syncope have a mixed response somewhere between these two ends of the spectrum. One account for these physiological responses is the Bezold …

  8. Vasovagal Syncope: Causes, Symptoms, and Treatments - GoodRx

    Aug 23, 2024 · Vasovagal syncope is a common cause of fainting, triggered by an overstimulated vagus nerve. Learn more about causes, symptoms, and treatment options.

  9. Understanding Vasovagal Syncope | UMass Memorial Health

    Understanding Vasovagal Syncope Vasovagal syncope is fainting caused by a complex nerve and blood vessel reaction in the body. It's the most common cause of fainting. Unlike other …

  10. Vasovagal Reflex Causes and Treatment - Verywell Health

    Dec 5, 2025 · Vasovagal reflex, also known as vasovagal syncope, is feeling faint due to various triggers. Learn about this response and how to manage it.