St John Cymru Wales

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First aid for an unresponsive casualty

The following advice shows the first aid treatment for an unresponsive casualty

1. If breathing normally, place them in the recovery position

2. Dial 999/112 for an ambulance and tell them you suspect a heart attack

3. Monitor their breathing constantly

4. If the casualty's breathing is absent or abnormal, begin CPR immediately

5. If a defibrillator (AED) is available, attach the device to the casualty and follow the voice prompts

The AED will automatically analyse the heart rhythm and deliver a shock, if required

The modern AED will issue voice prompts to direct you

St John Wales first aid app

Free first aid app

Knowing what to do in the vital few minutes of an emergency is critical.

The official St John Cymru Wales app contains simple step-by-step advice on dealing with injuries such as severe bleeding, burns, scalds and choking, while also giving advice on how to give CPR and other treatments.

Download this lifesaving app today

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When Tim Ravenhill got to his desk at BT in Cardiff, he thought it was going to be a normal day at the office. He didn’t expect to need first aid, but a medical emergency can happen anywhere

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Free pocket first aid guide

Free pocket first aid guide

Your free guide includes first aid advice for choking, severe bleeding, fractures and unconscious casualties.


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St John Cymru Wales
Priory House,
Beignon Close,
Ocean Way,
CF24 5PB

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Company number 5071073
Registered in England & Wales
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