Faire face à un adulte qui ne réagit pas
Peer reviewed by Dr Doug McKechnie, MRCGPLast updated by Dr Colin Tidy, MRCGPLast updated 31 Oct 2023
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In this series:Breathlessness and difficulty breathingPulmonary embolismPulmonary fibrosisControlled breathing
This leaflet is created from first aid advice provided by St John Ambulance, the nation's leading first aid charity.
If someone becomes unresponsive they need someone to help keep them safe and prevent further harm. The type of help they need varies depending on why they have become unresponsive, whether they are breathing or not breathing and if they are baby, child or adult.
Dans cet article :
This leaflet is designed to give a summary of general advice. This advice is no substitute for first aid training (see 'Further Reading' below to find out more about St John Ambulance and British Red Cross training courses).
Poursuivre la lecture ci-dessous
If someone is unresponsive and breathing
Ce qu'il faut rechercher
If someone is not responding to you and you think they are unresponsive, ask loudly: 'Are you alright?' or 'Open your eyes'. If they don't respond, pinch their earlobe or gently shake their shoulders. If they still don't respond, then you can presume they're unresponsive.
Ce qu'il faut faire
Step 1 of 5: Open the airway
Place one hand on the person's forehead and gently tilt their head back. As you do this, the mouth will fall open slightly.
Place the fingertips of your other hand on the point of the person's chin and lift the chin.
Ouvrir les voies respiratoires

Step 2 of 5: Check breathing
Regardez, écoutez et sentez une respiration normale - mouvement de la poitrine, sons et respirations sur votre joue. Faites cela pendant dix secondes au maximum.
Vérifier la respiration

Step 3 of 5: Put them in the recovery position
This will keep their airway open.
Kneel down next to them on the floor.
The next three steps are for if you find the person lying on their back. If you find them lying on their side or their front you may not need all three.
Place their arm nearest you at a right angle to their body, with their palm facing upwards.
Prenez son autre bras et placez-le sur sa poitrine de façon à ce que le dos de sa main soit contre la joue la plus proche de vous, et maintenez-le ainsi. De l'autre main, soulevez son genou arrière et tirez-le vers le haut jusqu'à ce que son pied soit à plat sur le sol.
Now you're ready to roll them on to their side. Carefully pull on their bent knee and roll them towards you. Once you've done this, the top arm should be supporting the head and the bent leg should be on the floor to stop them from rolling over too far.
Position de récupération

Step 4 of 5: If you suspect spinal injury
If you think the person could have a spinal injury, you must keep their neck as still as possible. Instead of tilting their neck, use the jaw thrust technique: place your hands on either side of their face and with your fingertips gently lift the jaw to open the airway, avoiding any movement of their neck.
Suspicion de lésion de la colonne vertébrale

Step 5 of 5: Call for help
Once you've put them safely into the recovery position, call 999 or 112 for medical help.
Until help arrives, keep checking the person's breathing.
If they stop breathing at any point, call 999 or 112 straightaway and get ready to give them CPR (cardiopulmonary resuscitation - a combination of chest pressure and rescue breaths).
If someone is unresponsive and not breathing
If an adult is unresponsive and not breathing, you'll need to do cardiopulmonary resuscitation (CPR).
CPR involves giving someone a combination of chest compressions and rescue breaths to keep their heart and circulation going to try to save their life. If they start breathing normally again, stop CPR and put them in the recovery position.
Ce qu'il faut faire
If someone is with you, get them to call 999 or 112 for emergency help and ask them to get an automated external defibrillator (AED) if one is available.
How to perform CPR on an adult
Step 1: Giving chest compressions
Kneel down beside the person on the floor, level with their chest.
Place the heel of one hand towards the end of their breastbone, in the centre of their chest.
CPR finger position adult

CPR adult

Place the heel of your other hand on top of the first hand and interlock your fingers, making sure you keep the fingers off the ribs.
Lean over the person, with your arms straight, pressing down vertically on the breastbone, and press the chest down by 5-6 cm (2-2½ in).
Release the pressure without removing your hands from their chest. Allow the chest to come back up fully - this is one compression.
Repeat 30 times, at a rate of about twice a second or the speed of the song 'Staying Alive'.
Give two rescue breaths.
Step 2: Giving rescue breaths
Ensure the person's airway is open.
Ouvrir les voies respiratoires

Pincez leur nez fermement.
Pinch nose adult

Respirez profondément et scellez vos lèvres autour de leur bouche.
Blow into the mouth until the chest rises.
Rescue breath adult

Retirez votre bouche et laissez la poitrine tomber.
Rescue breath pause adult

Repeat once more.
Carry on giving 30 chest compressions followed by two rescue breaths for as long as you can, or until help arrives.
If an automated external defibrillator (AED) arrives switch it on and follow the instructions provided with it.
If the person starts breathing normally again, stop CPR and put them in the recovery position.
Position de récupération

Autres lectures et références
- St John Ambulance Training Courses
- Red Cross Training Couress
- Unresponsive and not breathing - adults; St John Ambulance
- 2021 Lignes directrices pour les soins avancés de réanimation pour adultesConseil de réanimation UK
Historique de l'article
Les informations contenues dans cette page sont rédigées et évaluées par des cliniciens qualifiés.
Date de la prochaine révision : 29 octobre 2028
31 Oct 2023 | Dernière version

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