Dec 13, 2024 · Call 911 or your local emergency number immediately. Don't wait to see if symptoms stop. Every minute counts. The longer a stroke goes untreated, the greater the potential for brain …

Jan 27, 2025 · What is a stroke? A stroke is a medical emergency that happens when something prevents your brain from getting enough blood flow. A blocked blood vessel or bleeding in your brain …

Jun 5, 2025 · A stroke occurs when a blood vessel in the brain ruptures and bleeds or when there’s a blockage in the blood supply to the brain. The rupture or blockage prevents blood and oxygen from …

Get a step-by-step explanation of stroke. Learn about the different types and effects on the brain, along with prevention tools.

Dec 19, 2025 · A stroke is a medical emergency that occurs when blood flow to the brain is interrupted, either due to a blockage or bleeding. This lack of blood flow can lead to brain cell death and serious …

Find stroke educational information and sharable resources about stroke warning signs, prevention, assessment, treatment, recovery, and current research.

About Learn about what causes stroke, what happens during stroke, and when to call 9-1-1.

A stroke happens when blood stops flowing to the brain. A person's brain cells start to die within a few minutes because they can't get the oxygen and nutrients they need from the blood. This can cause …

5 days ago · Causes of stroke are many and include high blood pressure, atherosclerosis, atrial fibrillation, infections, brain tumors, and clotting and bleeding disorders.

Nov 25, 2025 · Ischemic stroke is an episode of neurological dysfunction due to focal infarction in the central nervous system attributed to arterial thrombosis, embolization, or critical hypoperfusion. While …