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Explore overview, symptoms, causes, treatment, diagnosis, prevention, and FAQ articles for this condition.
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What is Stroke
Stroke is a sudden injury to the brain caused by an interruption in its blood supply or, less commonly, by bleeding into brain tissue. The condition involves the brain’s vascular system, neurons, glial cells, and the metabolic processes that keep nervous…
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Symptoms of Stroke
The symptoms of stroke are caused by sudden disruption of blood flow to part of the brain or by bleeding into brain tissue, and they usually appear abruptly. The most characteristic symptoms are one-sided weakness or numbness, facial drooping, difficulty speaking…
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Causes of Stroke
Stroke develops when the brain’s blood supply is interrupted or when a blood vessel in the brain ruptures, depriving brain tissue of oxygen and glucose or exposing it to bleeding and pressure. The immediate cause is therefore a failure of normal…
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Diagnosis of Stroke
Stroke is usually identified as a medical emergency, often within minutes of a person developing sudden neurologic symptoms. The diagnosis is not made from one finding alone. Clinicians combine the pattern of symptoms, the physical examination, and urgent imaging to determine…
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Treatment for Stroke
The treatment of stroke depends on the type of stroke and the time since symptoms began, but the main approaches are rapid reperfusion, control of the underlying vascular cause, prevention of complications, and rehabilitation. In ischemic stroke, treatment aims to restore…
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FAQ about Stroke
This FAQ explains the most common questions about stroke, a medical emergency that affects blood flow in the brain. It covers what stroke is, why it happens, how it is diagnosed, what treatment looks like, and what people can expect afterward.…
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Prevention of Stroke
Stroke cannot always be fully prevented, because some of the most important causes are not modifiable. Age, inherited traits, certain congenital blood vessel abnormalities, and a prior history of stroke all influence risk in ways that cannot be removed completely. Even…