CPR/AED Algorithm

Question 1

Unresponsive and not breathing normally

Answer 1

Agonal breathing may be present in up to 40% of patients. Start CPR if only occasional or gasping breaths.

Question 2

Call emergency services

Answer 2

Call 112 or 999
Emergency calltaker will guide you and advise on steps of CPR
Is there an AED available nearby

Question 3

Give 30 chest compressions

Answer 3

Push hard & fast in centre of chest
HARD: at least 5cm
FAST: rate of 100-120 per minute

Question 4

Give 2 rescue breaths

Answer 4

Minimise interruptions in compressions 1 second per breath
Maximum hands-off time 10 seconds

Question 5

Continue CPR 30:2

Answer 5

Continue to push hard and fast
If more than 1 rescuer present, swap roles to avoid the compressor becoming tired

Question 6

As soon as AED arrives, switch it on and follow instructions

Answer 6

Attach the AED immediately - continue compressions if more than 1 rescuer present
Follow AED instructions
Ensure nobody touching patient when delivering shock