Time is Brain Use F A S T – To remember the warning signs of stroke F – Face: Ask the person to smile. Does one side of the face droop? A – Arms: Ask the person to raise both arms. Does one arm drift downward? S – Speech: Ask the person to repeat a simple phrase. Is their speech slurred or strange? T – Time: If you observe any of these signs. Call 9-1-1. Telestroke ...