| http://www.w3.org/ns/prov#value | - Stroke happens when a blood vessel to the brain gets clogged or bursts. (A TIA, or transischemic attack, has similar signs, but they do not last as long.) If you have any of these signs, call 911 immediately ??? clot-busting drugs administered quickly in the case of a severe stroke can prevent serious disability:??? Sudden numbness or weakness of the face, arm or leg, especially on one side of the
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