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How to recognize signs of a stroke and act as soon as possible

A stroke occurs when blood flow to the brain is interrupted. Rapid identification of symptoms through the FAST test is critical to minimize brain cell death and improve recovery outcomes. Immediate emergency medical care is essential.

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What changed

Added specific details on the FAST acronym and U.S. stroke statistics.

Live updates

  1. Recognizing Stroke Symptoms and Emergency Response

    A stroke occurs when blood flow to the brain is interrupted. Rapid identification of symptoms through the FAST test is critical to minimize brain cell death and improve recovery outcomes. Immediate emergency medical care is essential.

    What's confirmed:

    • The FAST test identifies Face drooping, Arm weakness, Speech trouble, and Time to call emergency services.
    • Brain cells begin dying rapidly when blood flow is interrupted during a stroke.
    • Swift medical care is necessary for a positive outcome and to avoid long-term disability.
    • The FAST test is used to identify approximately 85% of stroke cases.

    Still unconfirmed:

    • Over 795,000 Americans experience a stroke every year.
    • Stroke is the fifth leading cause of death in the United States.
    confidence 90%