Remember three steps.
S- Ask the individual to SMILE
T- Ask the person to TALK AND SPEAK A SIMPLE SENTENCE
R- Ask them to RAISE BOTH ARMS
Lastly, ask the person to stick out their tongue- If it is CROOKED, or goes to one side
CALL 911, describe the symptoms to the dispatcher
I found this information on a stroke web site. A cardiologist says if every knew these warning signs, their love ones life could be saved.