Stroke: What It Is, Causes, Symptoms & Treatment
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 can cause strokes.

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

Stroke - Wikipedia
About 87% of strokes are ischemic, with the rest being hemorrhagic. Bleeding can develop inside areas of ischemia, a condition known as "hemorrhagic transformation". It is unknown how many cases of hemorrhagic stroke actually start as an ischemic stroke. [2]

Signs and Symptoms of Stroke | Stroke | CDC
Learn about the signs of stroke in men and women and when to seek emergency treatment.

American Stroke Association
Every stroke recovery journey is unique. Learn the latest evidence-based strategies to maximize rehabilitation, improve participation in meaningful activities and take an active role in reaching your recovery goals.

Stroke: Symptoms, Causes, Treatment, Types, and More
According to the Centers for Disease Control and Prevention (CDC), stroke is a leading cause of death in the United States. Every year, more than 795,000 U.S. people have a stroke. Without...

Stroke: Types, Symptoms & Treatment - WebMD
A stroke, sometimes called a "brain attack," occurs when blood flow to an area in the brain is cut off. The brain cells, deprived of the oxygen and glucose they need to survive, die.

Stroke | American Heart Association
A stroke is a disease that affects the arteries leading to and within the brain. It occurs when a blood vessel carrying oxygen and nutrients to the brain is either blocked by a clot or bursts. When this happens, part of the brain cannot get the blood and oxygen it needs, causing brain cells to die.

Stroke - World Health Organization (WHO)
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 complications.