First aid: defibrillator

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In this video, you are going to learn how to use a defibrillator in the event of someone suffering a cardiac arrest

If the person does not respond when you speak to them whilst holding their hand and gently shaking their shoulders: Call for help if you are alone.

Lay them on their back

Check their breathing by placing one hand on their forehead and the fingers of the other hand under the tip of their chin

Carefully tilt their head backwards and lift their chin so as to fully open their airways

If you see or hear no respiratory movement, nor feel any breath on your cheek, then the casualty is not breathing

Call the emergency services

Ask somebody else present at the scene to bring a defibrillator

While awaiting the emergency services, expose the casualty's chest and begin chest compressions by pressing down on the centre of their chest at a rate of 2 per second

If you are alone, do not perform any chest compressions but go and find a defibrillator if there is one nearby

Once the defibrillator has been brought to the casualty, turn it on and follow the instructions that it gives, or that come with it

Take out the electrode paddles from their packaging, remove the protective film and place each electrode as illustrated in the diagram included on the packaging or on the electrode itself

Make sure that nobody is in contact with the casualty while the defibrillator is analysing the casualty's heart rhythm

Follow the instructions of the device which will indicate whether you should administer a shock or continue with chest compressions

Continue in this way until the emergency servces can take over or until the casualty begins breathing normally again

This device can even be used on children and infants - normally with a special adapter or using paediatric electrodes

In the absence of these adapters or special electrodes, an adult defibrillator can be used, place one electrode on the chest and the other on the back, at the level of the echesthest

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