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External defibrillators


How to use a defibrillator

Using a defibrillator is more than important, since it can help save many lives daily. We know well the importance of renting or buying a defibrillator by companies, but to know how to use it, a specific training is necessary.

In this guide, we'll show you how to use an easy and fast defibrillator in just 5 steps. You must have a minimum knowledge as you can imagine. If you are not sure of knowing how to do a CPR (for example), it is best to ask quickly if someone close to you can help you and call the 112 as soon as possible.


How to use a defibrillator in 5 steps

These are the steps to follow to use a defibrillator:

  1. Check that it is a cardiac arrest. Does the person respond to stimuli? Do you breathe normally? Try to wake the person, if they do not respond and do not breathe go to step 2

  2. Call 112 so that professionals can go to where you are with all the necessary medical equipment. Do not be nervous and report your name, the address where you are and what is happening.

  3. Perform CPR (Cardiopulmonary Resuscitation).

    1. Ratio: 30 chest compressions and then 2 mouth-to-mouth breaths every 30 compressions (if you are not trained to give ventilations, just do compressions).

    2. Rhythm: 100 -120 cardiac compressions per minute. Never more than 120.

    3. Adult depth: 5cm and no more than 6cm.
  4. Use an AED

    1. If the person is wet, first dry it. Check well that the person is 100% dry, it is very important.

    2. Then turn on the AED.

    3. You should leave your chest exposed (usually a pair of scissors next to the AED to cut clothes)

    4. Then, place the electrode patches on the chest.

    5. Now is the time to perform the analysis with the AED. The defibrillator itself will make the diagnosis.

    6. If necessary, without touching the person, apply an electric shock to the victim.

  5. Continue to perform CPR.

We recommend having a minimum knowledge

To do all this and use a defibrillator successfully, we recommend having a minimum knowledge (in some communities they require it). And also CPR knowledge, that's why we always recommend doing a first aid course, because even if it's basic, they always teach CPR.

 CPR update during COVID-19 and variants.

You have doubts? Do you see yourself ready to use a defibrillator? Leave us a comment and we will try to help you and give you more advice.


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Installation of external defibrillators, maintenance, spare parts, repairs, training and use of the defibrillator, registration in Autonomous Communities.

Avda.de la Constitución 29 
28821 Coslada (Madrid)
Telephone: + 34 911 250 500
E-mail: salvavidas@salvavidas.com

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