After following steps D, R, S, A and B, and it has been unsuccessful, the patient is still not breathing and has no pulse begin CPR.
1. Place them on a firm surface and kneel beside them.
2. The heel of your hand should go in the centre of the chest with the other interlocked over the top.
3. Straighten your arms and hold yourself over the top of the casualties chest.
4. Push down 1/3 of their chest using the weight of your body.