Dec 2, 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.

The meaning of FAINT is hardly perceptible : dim. How to use faint in a sentence.

Jul 3, 2023 · Fainting happens when you lose consciousness for a short amount of time because your brain isn’t getting enough oxygen. The medical term for fainting is syncope, but it’s more commonly known as...

Mar 14, 2023 · Fainting, or passing out, is a temporary loss of consciousness from a sudden decrease of blood flow to your brain. An episode usually lasts a few seconds or minutes. Most are harmless, but if you faint often or have other symptoms, you should seek medical attention.

Jul 10, 2024 · Fainting, or syncope, is a temporary loss of consciousness caused by a lowered blood flow to the brain. Various conditions can trigger fainting, ranging from mild to serious.

A person faints or loses consciousness for a brief time when the brain does not get enough oxygen. Fainting or passing out is also medically called syncope. Before fainting, people may experience lightheadedness, dizziness, weakness, and nausea. Others describe fainting as blacking out or feeling like sounds are fading away.

Feb 24, 2021 · Fainting—the medical term is “syncope”—is a sudden and temporary loss of consciousness caused by lack of adequate blood flow to the brain. That’s different from getting knocked out or losing consciousness from, say, a drug overdose or an insulin coma.

Aug 8, 2023 · Fainting can be alarming, and it should be. While often the cause of fainting is something minor, fainting also can be a sign of a serious underlying medical concern. The problem is that you can't evaluate yourself, and you should let a physician determine if fainting is worrisome or not.

Jan 22, 2025 · 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 is caused by a sudden decrease in blood flow to the brain. Usually the cause of fainting is not serious. For example, being dehydrated (not having enough fluid in the body), being too hot, being in a crowded room or feeling intense emotion can cause a person to faint.