How long is Stroke — Time to Treatment (Golden Hour)?

Stroke — Time to Treatment (Golden Hour): 4 hours 30 minutes total across 5 phases.

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Timeline

⚠️ CALL 911 IMMEDIATELY. Remember FAST: Face drooping, Arm weakness, Speech difficulty, Time to call 911. Time is brain.

Total Duration

4h 30m

Phases

5

Category

Surgical Emergencies

For ischemic stroke, tPA must be given within 4.5 hours. Mechanical thrombectomy window extends to 24 hours in select patients. Every minute = 1.9 million neurons lost.

Phases

Symptom Onset < 1 min

Sudden: face droop, arm weakness, speech slurred, vision loss.

Golden Hour (0-60 min) 1 hour

Best outcomes if treated within 1 hour. Call 911 immediately.

tPA Window (0-4.5 hours) 4h 30m

Clot-busting drug effective up to 4.5 hours. Earlier = better.

Thrombectomy Window (0-24 hours) 1 day

Mechanical clot removal for large vessel occlusion, select patients.

Beyond Window 1 day

Damage becomes permanent. Rehabilitation focus.

Disclaimer: This information is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider for medical decisions. If you are experiencing a medical emergency, call 911 (US) or your local emergency number immediately.

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Frequently Asked Questions

How long does stroke — time to treatment (golden hour) last?
For ischemic stroke, tPA must be given within 4.5 hours. Mechanical thrombectomy window extends to 24 hours in select patients. Every minute = 1.9 million neurons lost.
What are the phases of stroke — time to treatment (golden hour)?
There are 5 main phases: Symptom Onset, Golden Hour (0-60 min), tPA Window (0-4.5 hours), Thrombectomy Window (0-24 hours), Beyond Window.

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