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1. www.verywellhealth.com › causes-of-fainting-1298399Causes of Fainting: Reasons for Passing Out - Verywell Health

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   Jan 18, 2024 · Fainting (syncope) is a sudden loss of consciousness from a lack of blood flow to the brain. People who have passed out usually wake up quickly after collapsing, but in some cases, fainting is a sign of a serious or potentially life-threatening condition.

2. patient.info › signs-symptoms › dizzinessFainting: Causes, Symptoms and When to see a Doctor - Patient

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   Jul 31, 2024 · The most common cause of blacking out is fainting. Other causes include epileptic seizures, syncope due to anxiety (psychogenic pseudosyncope) and other rare causes of faints. Other causes of blacking out may be due to low blood sugar (hypoglycaemia) and lack of oxygen (hypoxia) from a variety of causes.

3. www.cedars-sinai.org › blog › fainting-or-seizureFainting vs. Seizure: How to Tell the Difference - Cedars-Sinai

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   Aug 12, 2019 · If you feel faint, lie down, or if you're sitting, place your head between your knees. If you see someone else faint, place the person face up and raise their legs above their heart level. If the person doesn't "come to" within 1 minute, call 911.

4. newsnetwork.mayoclinic.org › discussion › mayoMayo Clinic Q and A: Revealing the cause of unexplained ...

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   Apr 2, 2019 · Fainting, or passing out — a temporary loss of consciousness also known as syncope — is caused by insufficient blood flow to the brain. Some causes of syncope are fairly benign, such as from dehydration, or during a frightening or uncomfortable event, such as a blood draw.

5. www.healthline.com › health › faintingFainting: Causes, Types, and Prevention - Healthline

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   Causes. Types. Prevention. What to do when someone faints. When is fainting an emergency? Diagnosis. Outlook. Fainting, or the temporary loss of consciousness, can occur if your brain isn’t...

6. www.medicalnewstoday.com › articles › faintingFainting symptoms but did not faint (presyncope)

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   Oct 18, 2023 · When a person has fainting symptoms but does not faint, it is known as presyncope. Presyncope is the stage before fainting, which can make someone feel lightheaded, weak, warm, sweaty, or...

7. People also ask

   What does it mean if a person faints after collapsing?

   • Fainting (syncope) is a sudden loss of consciousness from a lack of blood flow to the brain. People who have passed out usually wake up quickly after collapsing, but in some cases, fainting is a sign of a serious or potentially life-threatening condition.

   Causes of Fainting: Reasons for Passing Out - Verywell Health

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   What happens if a person does not faint?

   • When a person has fainting symptoms but does not faint, it is known as presyncope. Presyncope is the stage before fainting, which can make someone feel lightheaded, weak, warm, sweaty, or nauseous. Heart palpitations and blurry vision may also occur. Many conditions and circumstances can cause presyncope.

   Fainting symptoms but did not faint (presyncope) - Medical News Today

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   Why do I faint when I Turn my Head to the side?

   • In some cases, sudden episodes of fainting can occur when you turn your head to the side. This can be due to pressure on the carotid artery that changes blood flow. It also can be related to health conditions like carotid artery stenosis (blockage). If someone faints but doesn't wake up within a few seconds, seek medical care.

   Causes of Fainting: Reasons for Passing Out - Verywell Health

   www.verywellhealth.com/causes-of-fainting-1298399

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   Why does my brain faint?

   • Fainting, or the temporary loss of consciousness, can occur if your brain isn’t getting enough oxygen. Fainting may be triggered by a number of factors, including dehydration, low blood sugar, standing up too quickly, or certain medications.

   Fainting: Causes, Types, and Prevention - Healthline

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   What if a person doesn't 'come to' within 1 minute?

   • If the person doesn't "come to" within 1 minute, call 911. Determining the underlying cause of fainting or a seizure usually requires a visit to your doctor, who will likely do cardiac and neurological tests. "It may be nothing, but it may be something.

   Fainting vs. Seizure: How to Tell the Difference - Cedars-Sinai

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   Why does a person faint a lot?

   • Fainting happens because the brain needs a constant supply of oxygen. If that supply falls below a certain level, we fall to the ground, which makes it easier for the more oxygen-rich blood to reach the brain, and so we regain consciousness. What causes fainting?

   Fainting: Causes, Symptoms and When to see a Doctor - Patient

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8. www.healthdirect.gov.au › faintingFainting - treatments, symptoms, causes and prevention ...

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   Fainting (also called syncope) is when you suddenly lose consciousness or ‘black out’ for a few seconds. People usually recover very quickly and without any lasting effects. Fainting happens when the blood flow to the brain is reduced.