Automated external defibrillator (AED) is a portable life-saving device used to treat people suffering from sudden cardiac arrest. a medical condition in which the heart stops beating suddenly and unexpectedly. The combination of CPR and early defibrillation can be life-saving when used in the first minutes after sudden cardiac arrest.

What is an AED?

The AED is a portable life-saving device used to treat people suffering from sudden cardiac arrest. AED systems include accessories such as batteries and pad electrodes that the AED needs to detect, interpret, and deliver an electrocardiogram and deliver electric shocks. AED mainly he has two types. For public access and professional use.

  • Public access AEDs can be found in airports, community centers, schools, government buildings, hospitals, and other public They are intended for use by amateurs (non-professional) with minimal training.
  • The Professional AED is used by first responders such as emergency medical technicians (EMTs), paramedics and other healthcare professional who receive additional her AED.

AEDs can be semi-automatic or fully automatic.

  • The semi-automatic defibrillator analyzes the heart rhythm and if an abnormal heart rhythm requiring a shock is detected, the device prompts the user to press a button to deliver a defibrillating.
  • The fully automated defibrillator analyzes heart rhythms and delivers defibrillation shocks at the command of device software without user.

When do you need an AED?

The AED is used to resuscitate someone after sudden cardiac arrest. It usually occurs when a disturbance in the heart's electrical activity causes a dangerously fast heartbeat (ventricular tachycardia) or a fast and irregular heartbeat (ventricular fibrillation). Any of these irregular heart rhythms can prevent the heart from pumping effectively and cause the heart to stop.

When this happens, the brain and other vital organs cannot get the blood and oxygen they need. This should be treated within minutes to prevent death. The sooner the heart rhythm is restored, the more likely it is that the brain and other organs will not be permanently damaged. If so, bystanders or family members in public places can use an AED to return the heart to a regular rhythm. Using an AED can potentially save lives.

Cardiopulmonary resuscitation (CPR) after cardiac arrest may keep blood flowing to the heart and brain for a period of time. However, in many cases, only defibrillation can restore heart rhythm. Combining these treatments can increase the chances of survival.

How to use an AED?

If someone has fainted and might need an AED:

  • Check if the patient is breathing and has a If there is no pulse and the patient is not breathing, call an ambulance. f there are other people present, one person can call 112/119 while the other prepares the AED. If you`re alone, call 112/119 or emergency services first to make sure help is on the way.
  • Turn on the Automated external defibrillators provide step-by-step voice instructions. It explains how to check your breathing and pulse, and how to place the electrodes on the person`s bare chest.
  • Deliver the Once the pads are on, the AED will automatically measure your heart rate and determine if a shock is needed. If so, the machine prompts the user to step back and press a button to deliver the shock. The AED is programmed not to deliver a shock if a shock isn't needed.
  • Start CPR. Begin CPR after the shock is delivered if CPR is still needed. The AED will also guide users through CPR. This process can be repeated as necessary until emergency services take over.


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