Syncope (Fainting): Types, Symptoms & Causes - Cleveland Clinic
Jun 4, 2025 · Syncope is the broad medical term for fainting, which has many causes. This temporary loss of consciousness follows a drop in blood flow to your brain. Usually, syncope isn’t a cause for …
Loss of Consciousness: Causes, Symptoms, and When to Seek Help
Discover the causes of loss of consciousness, including syncope, fainting, and blackouts. Learn symptoms, treatment options, and when to seek medical advice.
What Does It Mean When You Lose Consciousness Suddenly?
Jul 27, 2025 · Loss of consciousness ranges from a harmless faint to a cardiac arrest. Knowing the difference starts with timing, triggers, and how quickly you recover. “Most brief faints are due to a …
Fainting: What It Feels Like and What Causes It - WebMD
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.
Mayo Clinic Q and A: Revealing the cause of unexplained fainting
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 …
When should you worry about fainting? - Harvard Health
Aug 8, 2023 · Don't try to diagnose yourself; seek immediate medical attention if you lose consciousness. Fainting can be alarming, and it should be. While often the cause of fainting is …
Why people pass out—and when to seek medical attention
May 29, 2024 · Passing out and briefly losing consciousness—for a few seconds to a few minutes—can be scary, but it's not necessarily a cause for alarm. Syncope, the medical term for passing out, is …
What Does Loss of Consciousness Mean? Causes & Signs
2 days ago · Learn what happens in the brain during loss of consciousness, what causes it, and how to tell when fainting needs medical attention.
Signs You're About to Pass Out: Fainting Symptoms and Causes - TODAY
Jul 21, 2023 · Passing out with absolutely no warning is uncommon, but when it happens, doctors worry about heart rhythm problems — a more serious cause of fainting, McGowan says. Most people will …
Syncope (Fainting) - National Institute of Neurological Disorders and ...
Mar 2, 2026 · Syncope (the medical term for fainting) is when a person briefly passes out but then wakes up relatively quickly. Some people fall when they faint, but others may notice warning signs, …