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What Is An AED?


AED, or automated external defibrillator, are small electronic devices that deliver a shock to a patients chest in Sudden Cardiac Arrest (SCA). It can diagnose and treat life-threatening cardiac arrhythmias called Ventricular Fibrillation VF or Ventricular Tachycardia VT. Simply put, the AED does not tell you if a patient is alive or dead. It does not tell you if they are well or unwell. It simply looks for a shockable rhythm and if it sees a shockable rhythm then it will deliver a shock usually automatically or by the user pushing a button when prompted.

The range of AED’s available are designed to allow minimally-trained people to provide lifesaving defibrillation (electric shock to the heart) to victims of sudden cardiac arrest when they are in a shockable rhythm.

Why Do you need an AED?


The Australian Resuscitation Council who set the guidelines for training first responders and the general public in Australia say that for every minute defibrillation is delayed there is a 10% reduction in your chance of survival from sudden cardiac arrest. So it is better that AED’s are readily available and can be applied and used by the general public as delay in waiting for an ambulance response will decrease the chance of survival


How Does An AED Work?

An AED is programmed to prompt you what to do in SCA. Different companies products can seem a bit daunting but they all operate in a similar way. Pads must adhere to the chest as in the location indicated on the pads and follow the prompts from the AED to deliver a shock. The voice prompts will guide you to preform CPR between also.

The AED is designed to analyze the  electrical activity of the heart via the pads to determine if a shock is the correct treatment. Some rhythms do not require a shock and so the AED will say something like no shock advised. This does not mean the person is ok or the machine is broken. Only certain rhythms can be treated by and respond to  the electric shock or defibrillation as it is called. If a “shockable” rhythm is present the machine will charge up and deliver a shock automatically and prompt you to stand clear of the patient while the shock is delivered or it may ask you to press a button to deliver the shock and prompt you to stand clear of the patient.

Some AED units also help monitor the effectiveness of your CPR. An AED is designed to guide you through the resuscitation process with voice prompts or pictures. All you have to do is be calm enough to use your common sense to follow the prompts. The shock delivered briefly stops all electrical activity in the heart. This brief break from the previous electrical chaos can be enough for the heart to restart or reset itself to a normal rhythm.

Not all victims of SCA can be saved but early defibrillation is the key to improved survivability of sudden cardiac arrest. This simple use of an AED can make all the difference.



Where are AEDs located?

You need to look around you and I challenge you to notice wher you see an AED as you never know when one may be needed. Next time you are in your shopping center or out in your community have a look around for the sign indicating an AED.

How can I compare AED’s

Contact us and we can provide you with a AED comparison chart that compares all the major brands of AEDs and the ongoing costs associated with ownership.

Were can I buy a defib?

International Paramedic College can provide you with an AED and training support in how to use them. We stock most brands and can advise you on what AED will best suit your needs and budget.

How much is an AED? 

Prices range from about $1500 to $3000. Contact us for prices or any further information.



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