F.A.S.T. is an easy way to remember the sudden signs of a stroke. Does one side of the face droop or is it numb? Ask the person to smile. Is one arm weak or numb? Ask the person to . • If any symptoms from BE-FAST - call a stroke alert and perform stroke severity tool (FAST-ED). • If FAST-ED score of 1 - 3 - call a stroke alert and transport to the nearest certified stroke . BE FAST. How to Spot a Stroke. Sudden onset of. ONE OR MORE. of the following symptoms: If you or someone you know has any