Stroke - Diagnosis and treatment - Mayo Clinic
The brain cells are affected very quickly after a stroke occurs. In the most common type of stroke, called an ischemic stroke, or cerebral infarction, there's a lack of blood flow to an area of the brain leading the brain cells to begin to die off due to a lack of oxygen and other nutrients.

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Powers WJ, et al. Guidelines for the early management of patients with acute ischemic stroke: 2019 update to the 2018 guidelines for the early management of acute ischemic stroke — A guideline for healthcare professionals from the American Heart Association/American Stroke Association.

Mayo Clinic Q & A: Why a fluttering heart could lead to stroke
Learn why a fluttering heart may lead to a stroke. Hear from a Mayo Clinic expert about atrial fibrillation.

Mayo Clinic Q and A: Clot buster? Surgery? What is the right treatment ...
ANSWER: We have excellent treatments to reverse stroke symptoms, but these treatments are incredibly time dependent. This is a good opportunity to remind people to seek emergency medical care — call 911 — as soon as possible at the first sign of a stroke.

Facts about stroke - Mayo Clinic News Network
A stroke occurs when the blood supply to part of your brain is interrupted or reduced, depriving brain tissue of oxygen and nutrients. Within minutes, brain cells begin to die.

Recovering from a stroke - Mayo Clinic News Network
A stroke is a medical emergency, and prompt treatment is crucial. Learn more about recovering from a stroke.

Mayo Clinic Q and A: Aphasia can be the first sign of stroke
A stroke happens when blood vessels supplying the brain burst or are blocked. This reduces blood flow to the brain, depriving it of the essential nutrients and oxygen needed to support brain cell life.

What is a stroke? A Mayo Clinic expert explains
So if you or someone you know is experiencing a stroke, you should call 911 and seek emergency medical care right away. Anyone can have a stroke, but some things put you at higher risk.

Stroke: First aid - Mayo Clinic
A stroke occurs when there's bleeding in the brain or when blood flow to the brain is blocked. Within minutes of being deprived of essential nutrients, brain cells start dying. A stroke is a true emergency. The sooner a stroke is treated, the less damage may occur. Every moment counts.

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