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    • Image courtesy of nejm.org

      nejm.org

      • Brain ischemia is insufficient blood flow to the brain, and can be acute or chronic. Acute ischemic stroke is a neurological emergency typically caused by a blood clot blocking blood flow in a vessel in the brain. Chronic ischemia of the brain may result in a form of dementia called vascular dementia.
      en.wikipedia.org › wiki › Ischemia
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  2. en.wikipedia.org › wiki › StrokeStroke - Wikipedia

    Stroke (also known as a cerebrovascular accident ( CVA) or brain attack) is a medical condition in which poor blood flow to the brain causes cell death. [5] . There are two main types of stroke: ischemic, due to lack of blood flow, and hemorrhagic, due to bleeding. [5] . Both cause parts of the brain to stop functioning properly. [5]

    • Cell Death

      Overview of signal transduction pathways involved in...

    • Ischemia

      Brain ischemia is insufficient blood flow to the brain, and...

  3. Cerebral infarction, also known as an ischemic stroke, is the pathologic process that results in an area of necrotic tissue in the brain (cerebral infarct). In mid to high income countries, a stroke is the main reason for disability among people and the 2nd cause of death.

  4. Acute ischemic stroke is a medical emergency caused by decreased blood flow to the brain, which results in damage to brain cells. Signs and symptoms of stroke may include sudden-onset numbness or weakness in an arm or leg, facial droop, difficulty speaking or understanding speech, confusion, trouble with balance or coordination, and loss of vision.

  5. Apr 20, 2024 · Introduction. Acute stroke is the acute onset of focal neurological deficits in a vascular territory affecting the brain, retina, or spinal cord due to underlying cerebrovascular diseases. [1] . Stroke is prevalent across patient populations and can significantly cause morbidity and mortality. Strokes are categorized as ischemic and hemorrhagic.

    • Channing Hui, Prasanna Tadi, Laryssa Patti
    • 2022/06/02
  6. Apr 30, 2024 · An ischemic stroke occurs when the blood supply to part of the brain is blocked or reduced. This prevents brain tissue from getting oxygen and nutrients. Brain cells begin to die in minutes. Another type of stroke is a hemorrhagic stroke. It occurs when a blood vessel in the brain leaks or bursts and causes bleeding in the brain.

  7. Aug 17, 2023 · Ischemic strokes occur when there is a blockage in a blood vessel, resulting in a restricted blood supply to the brain. In contrast, hemorrhagic strokes occur when a blood vessel ruptures, causing blood to leak into the intracranial cavity.

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