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Know the Signs: F.A.S.T.

Recognizing a stroke quickly can save a life — and reduce long-term damage. The simple word F.A.S.T. helps you remember what to look for and what to do.

The F.A.S.T. stroke warning signs
F

Face Drooping

Does one side of the face droop or feel numb? Ask the person to smile — is it uneven?

A

Arm Weakness

Is one arm weak or numb? Ask the person to raise both arms — does one drift downward?

S

Speech Difficulty

Is speech slurred or hard to understand? Ask the person to repeat a simple sentence.

T

Time to Call 911

If you see any of these signs, call emergency services immediately. Note the time symptoms started.

Every second counts

Stroke treatments are most effective when given quickly. Even if symptoms seem to come and go, don't wait — call emergency services right away. It's always better to be safe. Noting the time symptoms began helps doctors choose the right treatment.