Most campaigns use the following acronym to educate the public about stroke signs and symptoms : F.A.S.T. F: Face, (Ask smile; you will see a mouth going to one side or drooping the eye life on the same side) A: Arm, (Ask to raise both arms: you will see the inability to raise one of both arms) S: Speech, (you will observe the speech is slurred) T: Time: This is the time to act; do not delay, call an ambulance. Time matters.