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    What is a defibrillator?

    juni 2026 1 min read

    If a person suffers a sudden collapse, they may be experiencing sudden cardiac arrest.

    If someone suddenly collapses, they may be experiencing sudden cardiac arrest

    (SCA). This is a serious matter, as it means that the person's heart has stopped pumping blood and they need immediate help.  

    The most important factor in treating sudden cardiac arrest is providing a rapid shock to the heart, known as defibrillation. An automated external defibrillator (AED) helps ordinary individuals provide defibrillation quickly.  

    Although we recommend that everyone receive training in CPR and the use of automated external defibrillators, these devices have been specifically designed to provide you with the necessary guidance during the process, even if you have never received any training before. The device determines whether the patient needs a shock, and in that case, you will hear a calm, clear voice explaining exactly what to do. The device also helps effectively adapt the instructions to keep you on the right track. Smart sensors assess the situation and automatically provide the appropriate treatment at the right time, tailored

    to any patient, whether male, female, or child.  

    What is sudden cardiac arrest (SCA)?

    Sudden cardiac arrest is a sudden and unexpected disruption of the heart's electrical system that causes the heart to stop beating normally. When this occurs, proper blood flow stops and the person collapses. The only way to restore a normal heart rhythm is by delivering a shock immediately. Anyone can provide the shock

    to the patient using an automated external defibrillator.

    Is sudden cardiac arrest the same as a heart attack?

    No. A heart attack (myocardial infarction) occurs when blood flow is reduced or blocked. The heart muscle becomes damaged or may begin to die. During a heart attack, the patient is conscious and may even complain of certain symptoms.  

    As for sudden cardiac arrest, it is an electrical problem in the heart that makes the heartbeat weak and irregular. Since blood is not reaching the brain, the patient faints.  

    So, a heart attack patient has a pulse, unlike a sudden cardiac arrest patient.  

    But don't worry, you don't have to memorize all these differences and remember them later. When the automated external defibrillator guides you to place the pads on the patient, it will sense the heart rhythm on its own and determine the best steps to take, while continuing to provide you with guidance throughout the process.

    What is defibrillation?

    It is the process of delivering an electric shock to the heart, where the shock resets the heart's electrical system and restores the normal heart rhythm.  

     The automated external defibrillator enables you to provide this shock. In fact, this advanced device is designed to analyze the heart rhythm and, when necessary, provide guidance on the required method for delivering the shock. 

    When should I use an automated external defibrillator?

    You should intervene if a person collapses or loses consciousness with no pulse or no normal breathing. Even if the person is gasping for air or having seizures, if the person is unconscious, you should use an automated external defibrillator.  

     Don't worry about diagnosing the patient's condition correctly. The Meditech automated external defibrillator will analyze the heart rhythm and ask you to deliver a shock only if the patient needs it. All you have to do is turn on the automated external defibrillator and follow the calm, clear voice instructions. The device will guide you on how to place the pads on the patient so that the device can

    detect the heart rhythm.

    How can I learn how to use an automated external defibrillator?

    When designing automated external defibrillators, Meditech insisted on making them easy to use given their importance in saving lives. As soon as you turn on the automated external defibrillator, you will hear a calm, clear voice guiding you throughout the rescue process at your pace. The device can determine which stage you are at and will adjust its instructions accordingly.  

     In these critical situations, every minute matters, so you must act quickly. If there is an automated external defibrillator near you, find it and turn it on. The heart needs to restore its normal rhythm within 3 to 5 minutes to improve the chances of survival.

    Can I harm others?

     No. You cannot cause any harm if you follow the instructions of the automated external defibrillator. These devices are designed to help people whose hearts have stopped working effectively. If the automated external defibrillator asks you to deliver a shock, the person you are trying to help is already clinically dead. So any step you take can only help them, and you may be able to restore

    their healthy heart rhythm.  

    What happens if I make a mistake?

     The automated external defibrillator is designed to dictate to you precisely the steps to take. The device keeps pace with the steps you are taking in order to adapt its instructions so that they do not put pressure on you or force you to speed up or slow down your pace. When necessary, the device will repeat prompts, rephrase them, or add new instructions to help you understand.    

    Is it possible for me to shock myself when using an automated external defibrillator?

    Not if you follow the instructions. The device will dictate the essential precautionary measures you must adhere to in order to avoid being shocked. 

    Why shouldn't I wait for specialized paramedics to arrive?

    The best chance of survival from sudden cardiac arrest is for the patient to receive an electric shock within 3 to 5 minutes. Paramedics are usually unable to reach the patient within this short timeframe.

    Do I need training to be able to use an automated external defibrillator?

     Meditech automated external defibrillators are designed so that anyone can use them immediately. However, undergoing training is always a good idea. The more knowledge you have about the symptoms of sudden cardiac arrest and the use of an automated external defibrillator, the greater your chance of staying calm in actual emergencies and providing assistance.  

    What is the best option: performing CPR or using an automated external defibrillator?

    Cardiopulmonary resuscitation (CPR) is one of the ways to help victims of sudden cardiac arrest, using chest compressions and may require artificial respiration.  

     Both CPR and automated external defibrillators play a role in saving people's lives. So performing any action is better than not acting at all. Using them together enhances the patient's chances of survival.

    Where can I get training on CPR and automated external defibrillators?

    There are a number of national organizations that provide training on CPR and automated external defibrillators. Contact them to get an idea of the available training opportunities.

    American Heart Association: http://www.americanheart.org

    American Red Cross: http://www.redcross.org  

    CPR Anytime: http://www.cpranytime.org  

    Emergency Care and Safety Institute: http://www.ecsinstitute.org  

    MedAire: http://www.medaire.com  

    Medic First Aid International: http://www.medicfirstaid.com

    National Safety Council: http://www.nsc.org 

    Do I need to perform any maintenance on the automated external defibrillator?

    Meditech Defi automated external defibrillators are self-monitoring devices that perform self-tests to ensure everything is working properly.  

     However, there are two accessories that must be replaced regularly: the pads and the battery. The device is equipped with alert lights to help you remember, in addition to a sticker reminder system.  

    Are there any rules that prevent some people from owning an automated external defibrillator?

     Anyone can own an automated external defibrillator. To help choose the right device for your business or organization, please contact your local representative. If you would like a Meditech Defi representative to contact you, click the button above and submit the form or call the number  

    ‎http://china-meditech.com/Contact/  

    .    

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