Knowing just a few basics could help keep someone alive until an ambulance arrives.
2. Stay safe and keep calm
Assess the situation: what are the dangers? (These might include approaching traffic, leaking petrol, broken glass etc).
3. Check airway
4. Stop bleeding
5. Call 999
The operator will talk you through what to do while you wait for an ambulance to arrive.
All this information has come from the British Red Cross Website at http://www.redcross.org.uk/standard.asp?id=48906
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