Emergency first
If you suspect a stroke, call emergency services immediately. FAST Check is a guide, not a diagnosis. When in doubt, call — every minute of a stroke costs brain tissue.
FAST stands for Face, Arms, Speech, Time. AphaSay's FAST Check walks you through the first three with live face-tracking, then reminds you that Time is critical.
How to run it
- 1Open FAST Check from the home screen.
- 2Face — ask the person to smile; the app checks for droop on one side.
- 3Arms — ask them to raise both arms; watch for one drifting down.
- 4Speech — ask them to repeat a simple phrase; listen for slurring.
Reading the result
A flagged result means one or more signs may be present. It is not a diagnosis — it is a prompt to act. A clear result does not rule a stroke out if symptoms continue.
Practice mode
Use Practice mode to get familiar with the steps when there's no emergency, so that if a real one happens you already know the flow.
More guides for caregivers
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