STROKE WARNING SIGNS
Sudden weakness of the face, arm or leg, most often on one side of the body.
Sudden numbness of the face, arm, or leg, especially on one side of the body.
Sudden confusion, trouble speaking or understanding speech.
Sudden trouble seeing in one or both eyes.
Sudden trouble walking, dizziness, loss of balance or coordination.
Sudden severe headache with no known cause.
If someone is having these signs, call 911 and seek medical help immediately. Stroke is a medical emergency. Treatment is available, but only if a stroke is recognized in time.
Source: The Internet Stroke Center