Emergency

CPR (Adult)

critical

Chest compressions and rescue breaths for an unresponsive person not breathing normally.

Call 999 where appropriate

Symptoms

Unresponsive
Not breathing or only gasping (agonal breathing)
No pulse

Immediate actions

Check scene is safe. Shout for help.
Tilt head, lift chin — check breathing for up to 10 seconds.
Dial 999 and put on speaker. Ask for AED.
Place heel of hand on centre of chest, other hand on top, fingers interlocked.
Compress hard and fast: 5–6 cm deep, 100–120 per minute.
After 30 compressions give 2 rescue breaths (or compressions-only if unwilling/unable).
Continue 30:2 until AED arrives, paramedics take over, or victim shows signs of life.

When AED arrives

Turn it on and follow voice prompts
Expose chest, dry if wet, place pads as shown
Do not touch casualty during analysis or shock

What NOT to do

Don't stop unless it is unsafe or you are exhausted
Don't delay compressions to check pulse repeatedly
Don't use AED on wet chest without drying

Call 999

Immediately — always in cardiac arrest

GuardAssist provides operational decision support. It does not replace formal training, employer procedures, assignment instructions or professional judgement. In a life-threatening emergency, dial 999.