Fainting: Causes & First Aid Tips - Cleveland Clinic
WebMar 14, 2023 · What is fainting? Fainting is a short-term loss of consciousness. It happens because of a sudden drop in blood flow to your brain. A fainting episode usually lasts a few seconds or minutes. Then, you wake up and return to normal. Other names for fainting are: Decreased consciousness. Loss of …
Fainting and Passing Out: What It Feels Like and What Causes It - WebMD
WebOct 24, 2023 · What Is Fainting? Fainting, also called syncope (pronounced SIN-ko-pee), is a sudden, brief loss of consciousness and posture caused by decreased blood flow to the brain....
Fainting: Causes, Types, and Prevention - Healthline
WebJul 3, 2023 · 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,...
Causes of Fainting: Reasons for Passing Out - Verywell Health
WebJan 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.
Fainting: First aid - Mayo Clinic
WebApr 5, 2023 · Fainting occurs when the brain doesn't receive enough blood for a brief time. This causes loss of consciousness. Consciousness is usually regained quickly. Fainting might have no medical significance. Or the cause can be a serious disorder, occasionally involving the heart.
Fainting: Causes, diagnosis, and treatment - Medical News Today
WebJan 12, 2024 · Fainting, or syncope, is a sudden and temporary loss of consciousness. It usually happens when there is a slight decrease in the amount of oxygen reaching the brain. Possible causes...
Fainting: Symptoms, Causes, and Treatment - Verywell Health
WebMar 8, 2023 · Fainting, also known as syncope, is a temporary loss of consciousness that most commonly occurs as a result of a sudden drop in blood pressure, resulting in a lack of oxygen to the brain. Common causes include emotional triggers, dehydration, standing up too quickly, and medication side effects.
Syncope | Fainting | MedlinePlus
WebAug 4, 2016 · Fainting usually happens when your blood pressure drops suddenly, causing a decrease in blood flow to your brain. It is more common in older people. Some causes of fainting include: Heat or dehydration. Emotional distress. Standing up too quickly. Certain medicines. Drop in blood sugar.
Fainting - Heart and Blood Vessel Disorders - The Merck Manuals
WebFainting (syncope) is a sudden, brief loss of consciousness during which the person falls to the ground or slumps in a chair followed by a return to consciousness. The person is motionless and limp and may have cool legs and arms, a weak pulse, and shallow breathing. Some people feel light-headed or dizzy before they faint.
Syncope: Symptoms, Causes & Treatments - Cleveland Clinic
WebNov 3, 2022 · Overview. What is syncope? Syncope (pronounced “sin-ko-pea”) is the medical term for fainting or passing out. It happens when you have a sudden, temporary drop in the amount of blood that flows to your brain. Most of the time, a harmless, short-term cause makes you faint. Syncope can happen if you have: A sudden drop in blood pressure.
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