Overview
A stroke happens when the blood supply to part of the brain is cut off, damaging brain cells. It is a medical emergency — acting fast saves lives. This is general educational information, not medical advice.
Symptoms
- face drooping on one side
- arm weakness
- slurred or difficult speech
- sudden numbness or confusion
Causes
- a blocked blood vessel in the brain
- bleeding in or around the brain
Risk factors
- high blood pressure
- smoking
- diabetes
- irregular heartbeat
Prevention
- managing blood pressure and other risks with a clinician
- not smoking and staying active as advised
Emergency warning signs
- sudden face drooping
- sudden arm or leg weakness
- sudden speech difficulty
- sudden severe headache or loss of vision
Evaluation & tests
Educational note: stroke is assessed urgently in hospital with brain imaging. This library does not diagnose.
Treatment education
Educational overview: emergency treatment is time-critical and delivered by hospital teams. This library does not prescribe.
Self-care
General education: learn the FAST signs (Face, Arms, Speech, Time) and call emergency services immediately if a stroke is suspected.
When to seek care
A suspected stroke is always an emergency — call emergency services immediately.