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Primary Survey, CPR (BLS) and the Unconscious Casualty

Primary Survey, CPR (BLS) and the Unconscious Casualty

The aim of the primary survey is to

Call for an ambulance as soon as possible
Establish any life threatening conditions
Make sure the area is safe
Work as quickly as possible

You should call for an ambulance when

You find the casualty
You have tried for a response
You have opened the airway
You have checked for breathing

The ratio of compressions to breaths is

15 to 1
15 to 2
30 to 1
30 to 2

The depth of your compressions should be

4-5 cm
5-6 cm
6-7 cm
7-8 cm

Your hands should be placed

On the upper half of the casualty's chest
On the centre of the casualty's chest
On the lower half of the casualty's chest
Two fingers from the base of the sternum

The speed of your compressions should be

60-80 per minute
120-140 per minute
80-100 per minute
100-120 per minute

If there are two rescuers at the scene you should

One perform mouth-to-mouth, one perform compressions
One perform CPR (BLS) whilst the other watches for the ambulance
Take it in turns to perform CPR (BLS), changing every two minutes
Take it in turns to perform CPR (BLS), changing every five minutes

The unconscious casualty is placed in the recovery position

To make them comfortable
To help maintain their airway
To improve their circulation
To make them easier to manage

If there is a delay in the arrival of the ambulance the unconscious casualty should be repositioned every

10 minutes
20 minutes
30 minutes
40 minutes

If you have to leave the casualty to call for the ambulance, when you return you should

Roll them onto their back and start again
Turn them onto their other side
Reassess the primary survey
Reassess for any injury



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