Adult basic life support

Reverence: UK Resuscitation Council ‘Adult basic life support’ 2021

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DR’s ABCD

Danger: check around patient and environment for danger
Response: question (e.g. ‘Hello, can you hear me?’), shake and command (e.g. ‘Open your eyes’)
Shout: ‘help, help, help’ if unresponsive
Airway: open airway with head-tilt/chin-lift or jaw-thrust and look for/remove obstructions
Breathing: assess breathing for up to 10 seconds by listening and feeling with your ear, while watching for chest movements and palpating carotid pulse
- NB: you should do this while maintaining the head-tilt/chin-lift or jaw-thrust (e.g. place your forearm on the patient’s forehead, apply positive pressure to tilt the head back, and reach around their face to pull up the angle of the jaw with the index and middle fingers, whilst palpating the carotid pulse with the other hand).

CPR and Call ambulance:
- If patient is not breathing, start CPR (described in detail below) and ask a helper to call 999 and explain there is a cardiac arrest and the location
- If there are no helpers, you must call yourself, ideally using a mobile speakerphone (leave the scene to call for help if you have to)
- Also ask the helper if present to get an automated external defibrillator if one is available (but do not leave the scene yourself to get this)

Defibrillation:
- If an automated external defibrillator arrives, attach the pads to the patient’s bare chest (one below right clavicle and one over cardiac apex)
- If there is more than one rescuer, continue CPR while attaching electrodes. Follow the defibrillation spoken/visual prompts on the machine

Cardiopulmonary resuscitation

Perform 30:2 chest compressions to rescue breaths. If there is another trained helper, take turns; if not, continue until you tire and can no longer physically continue. Perform CPR on a firm surface.

30 chest compressions

Perform at a rate of 100-120/minute and a depth of 5-6cm
You must fully extend your elbows, wrists and fingers
Have both hands palm downwards with fingers interlocked
Place the carpal area of the hand over the lower sternum and apply all of the pressure over this point

2 rescue breaths

At the patient’s side, place part of your palm and your little finger firmly on the patient’s forehead and occlude the nostrils using the index finger and thumb of the same hand
Perform a head-tilt, and lift the chin with the other hand. Now, with a good seal around the patient’s lips, breathe a normal expiration for 1 second, watching the patient’s chest to check it expands

NB: if you have a pocket mask, position yourself at the head of the patient and firmly press the mask around the patient’s face with the index finger and thumb of each hand on either side. Place your little fingers either side around the angle of the patient’s mandible to pull it up into the mask and then perform the 2 breaths while watching the chest.

Test yourself

How is a jaw thrust performed?

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When is a jaw thrust preferred over head-tilt chin-lift?

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How would you manage an adult who is choking on a foreign object?

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Adult basic life support

DR’s ABCD

Cardiopulmonary resuscitation

30 chest compressions

2 rescue breaths

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