Health & Wellbeing guide

Recognise stroke, heart attack and sepsis signs

Learn the warning signs of a stroke, heart attack and sepsis, what to say when you call 999 and what to do while waiting, so you act fast when minutes count.

Estimated time: 20–30 minutesUpdated: 1 October 2026

Use this guide to prepare before an emergency happens, ideally with the people you live with or care for. It is general first-response information, not a diagnosis tool: if you think someone is seriously ill, call 999 straight away rather than reading further.

Step by step

  1. Learn FAST for stroke

    FAST stands for Face, Arms, Speech, Time. Face: has their face fallen on one side, or can they not smile? Arms: can they not lift both arms and keep them there? Speech: is their speech slurred or are they confused? Time: if you see any of these, call 999 immediately and note the time symptoms started, because this affects treatment. Other sudden signs can include loss of vision, severe headache or loss of balance, and these also need 999.

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