How does AED Help Save Life

How does AED help save life

In the world of modern medical technology, few devices stand out like Automated External Defibrillators (AEDs). These simple machines have transformed the way people respond to sudden cardiac arrest and saved countless lives in the process. Their effectiveness in restoring normal heart rhythms in a matter of seconds has turned them into critical tools in homes, schools, workplaces, and public spaces. By the end, you will get an idea about the compulsory role that AEDs play in the chain of survival and will learn how these small plus powerful machines aid in saving lives.

Before studying the lifesaving capabilities of AEDs, it’s crucial to learn the gravity of sudden cardiac arrest. Unlike a heart attack, which is provoked by a blocked artery or blood flow interruption, SCA is an electrical problem of the heart. During SCA, the heart’s electrical system malfunctions, ushering to chaotic and disorderly heartbeats known as ventricular fibrillation (VF) or ventricular tachycardia (VT). In these circumstances, the heart is unfit to pump blood effectively, and the person affected loses consciousness.

How AED works

Here are some functions of AED

Power source

AEDs are generally powered by batteries. The usage of batteries makes them highly portable and authorizes their placement in manifold locations, which might include public spaces, workplaces, and homes. Some AEDs come with rechargeable batteries, while others utilize disposable ones. Battery life is compulsory, as AEDs must be readily available and operational when needed. AEDs with batteries have a longer life span and mandate less frequent maintenance. Longer-lasting batteries diminish the overall maintenance burden and confirm that AEDs are always operational.

Automated analysis

Automated analysis in AEDs is extremely fast and efficient. As soon as the AED’s electrode pads are attached to the patient’s chest, the device starts evaluating the heart’s electrical activity. This rapid analysis is compulsory because timing is very important during an SCA. For every minute that passes without defibrillation, the chances of survival drop by approximately 10%. Automated analysis minimizes the time it takes to make a life-saving decision, confirming that the appropriate treatment is administered promptly.


AEDs are invented to be user-friendly, even for individuals with minimal or no medical training. Automated analysis simplifies the process for users by dismissing the need for them to interpret the patient’s heart rhythm. The AED takes on the responsibility of reckoning the rhythm and determining whether a shock is necessary or not. This feature makes AEDs obtainable to a wide range of users, including bystanders who may not have medical expertise.

Safety measures

Safety is paramount when operating an AED. Before delivering a shock, it’s compulsory to confirm that no one is touching the patient to prevent unintentional injury. The AED’s voice prompt will instruct the user to stand clear and ensure that nobody is in contact with the patient during the shock. This is a necessary safety measure.

Delivers shock

If the AED defines that a shockable rhythm is present, it will authorize the user to deliver a shock. The shock is generated by pushing a button or, in some cases, the AED may produce the shock automatically. The shock is a controlled electric pulse that passes through the electrode pads and travels through the patient’s chest to the heart. If the AED’s analysis displays or exhibits that the patient’s heart is in a non-shockable rhythm, such as asystole or pulseless electrical activity, the AED will advise the user not to produce a shock. In these cases, the focus should be on other aspects of cardiopulmonary resuscitation (CPR), such as chest compressions and rescue breathing.


Following a shock, the AED will continue to observe the patient’s heart rhythm. If VF or VT stays after the initial shock, the AED may prompt additional shocks as necessary. This process can be repeated until a normal rhythm is restored or until professional medical assistance arrives on the scene.

Record storing feature

Many AEDs are furnished with data storage capabilities. They record information about the patient’s heart rhythm, the time and date of the event, whether shocks were delivered, and other applicable data. This recorded information can be useful for medical professionals who arrive on the scene and need to assess the situation.

In emergencies like sudden cardiac arrest, timing is crucial. AEDs are invaluable tools that fill the gap between the occurrence of SCA and the arrival of professional medical help. With their user-friendly setup and automated functions, AEDs authorize everyday individuals to be heroes. Many public spaces, such as airports, shopping malls, sports stadiums, and schools, are equipped with AEDs. These devices are often fitted on walls in easily accessible locations. So if you’re running a school or you want these incredible machines installed in your house, contact an AED supplier today and get one for yourself!

Leave a Comment