Stroke symptoms (FAST)

Face drooping, arm weakness, speech difficulty, time to call 911 — remember FAST. Stroke is an emergency; every minute matters. A provider can help with long-term prevention online.

Also called: signs of stroke · mini stroke TIA · face droop

Medically reviewed by Dr. Ikechukwu Ogbu, MD
MD · Board-Certified, Internal Medicine · Last reviewed

Use FAST and call 911 immediately:

  • Face drooping on one side (ask the person to smile)
  • Arm weakness — one arm drifts down when both are raised
  • Speech difficulty — slurred, garbled, or unable to speak
  • Time to call 911 — note when symptoms started; clot-busting drugs work best within 3 hours
  • Sudden confusion, severe headache, vision loss, or trouble walking

What stroke symptoms (fast) could be

The most common causes a clinician considers. This isn't a diagnosis — it's the differential a provider works through with you.

Hypertension

Hypertension is one of the more common causes of stroke symptoms (fast). A provider can confirm with the right history, exam, or labs — and start treatment the same day when appropriate.

High cholesterol

High cholesterol is one of the more common causes of stroke symptoms (fast). A provider can confirm with the right history, exam, or labs — and start treatment the same day when appropriate.

Typical workup

What a clinician usually orders or asks about when someone presents with stroke symptoms (fast).

  • Focused history: timing, triggers, severity, and prior treatments related to "stroke symptoms (fast)"
  • Targeted physical exam of the involved system
  • Rule-in / rule-out workup for the most likely causes: Hypertension, High cholesterol
  • Labs, imaging, or referral only when the answer will change management

When to see a clinician

  • Symptoms have lasted more than a few days without improving, or keep coming back
  • You're not sure if this needs antibiotics, prescription treatment, or watchful waiting
  • You have a chronic condition (diabetes, heart disease, immunocompromised) that raises the stakes
  • You want a same-day plan without a trip to urgent care

Conditions this often points to

Common questions