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What is a pre-stroke?

There is no known diagnosis of “pre-stroke” or pre-stroke symptoms. High blood pressure or blood sugar levels that are significantly high or low could produce symptoms similar to a stroke, which may be temporary. If someone had the symptoms of a stroke but the symptoms resolved after a few hours, this could have been a TIA or transient ischemic attack (due to a temporary blood clot in the brain). If you or someone you are with is experiencing symptoms of a stroke (loss of muscle tone or paralysis on one side, slurred or confused speech, sudden blindness, confusion, and/or severe headache), call 911 (or the emergency number in your area).

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