Vasovagal syncope - Symptoms and causes - Mayo Clinic
2023年3月2日 · Vasovagal syncope (vay-zoh-VAY-gul SING-kuh-pee) occurs when you faint because your body overreacts to certain triggers, such as the sight of blood or extreme emotional distress. It may also be called neurocardiogenic syncope.
Vasovagal Syncope: Symptoms, Causes and Treatment - Cleveland Clinic
Vasovagal syncope is the most common type of reflex syncope, which happens automatically for reasons you can't control. It’s also sometimes called neurocardiogenic syncope because it's caused by factors involving the heart, brain or both.
Common triggers of vasovagal syncope and how to reduce your …
2024年11月4日 · Vasovagal syncope occurs when the vagus nerve, which carries signals from the brain to the rest of the body and controls functions including heart rate and blood pressure, becomes overstimulated in response to triggers such as stress, dehydration, or donating blood.
Vasovagal Episode - StatPearls - NCBI Bookshelf
2023年7月17日 · A vasovagal episode or vasovagal syncope is the most common form of reflex syncope. Reflex syncope describes any form of syncopal episode caused by a failure in the autoregulation of blood pressure, and ultimately, a drop in cerebral perfusion pressure resulting in a transient loss of consciousness.
Vasovagal syncope - Diagnosis and treatment - Mayo Clinic
2023年3月2日 · Diagnosing vasovagal syncope often begins with a physical examination. During the physical exam, your doctor will listen to your heart and take your blood pressure. He or she may also massage the main arteries in your neck to see if that causes you to feel faint.
Vasovagal Syncope: Causes, Symptoms, and Treatment - Healthline
2019年10月10日 · When fainting is caused by certain triggers, like the sight of blood or a needle, or an intense emotion like fear or fright, it’s called vasovagal syncope. It’s the most common cause of fainting....
Vasovagal Syncope: Symptoms, Causes, and Treatments
2024年8月20日 · Vasovagal syncope happens due to a sudden drop in blood pressure and heart rate. It can be triggered by events like an anxiety attack or a blood draw. Recovery usually starts within seconds or minutes, but you may need 10 minutes or more before standing back up so you don’t faint again.
Vasovagal Syncope: What Is It, Causes, Prevention - Osmosis
2024年10月24日 · Vasovagal syncope is caused by overstimulation of the parasympathetic nervous system, in particular the vagus nerve, which controls functions like heart rate, blood pressure, and digestion. Excessive vagal activity causes a reduction in …
Diagnosing and Treating Vasovagal Syncope - Banner Health
What is vasovagal syncope? Vasovagal syncope is a type of fainting (a sudden, temporary loss of consciousness). Fainting from vasovagal syncope happens when there’s not enough blood flowing to your brain. A lot of different conditions can cause fainting.
Vasovagal Syncope - Cedars-Sinai
What is vasovagal syncope? Vasovagal syncope is a condition that leads to fainting in some people. It's also called neurocardiogenic syncope or reflex syncope. It's the most common cause of fainting. It's usually not harmful and not a sign of a more serious problem.