Here's All That You Will Need to Know about Defibrillators

A defibrillator is a medical device that is used to deliver a therapeutic dose of electrical energy to the heart in order to stop an abnormal heart rhythm and allow the heart to return to its normal rhythm. Defibrillators can be used on adults and children and are important in treating sudden cardiac arrest.

How Does a Defibrillator Work?

A defibrillator is a device that gives a high-energy electric shock to the heart. This high-energy shock is called defibrillation, which is an effective treatment for life-threatening cardiac arrhythmias, such as ventricular fibrillation.

When a person goes into cardiac arrest, their heart stops beating effectively, and they will soon die unless they receive treatment. Ventricular fibrillation is a type of cardiac arrhythmia that can lead to cardiac arrest, and it is the most common type of arrhythmia treated with defibrillation.

Defibrillation works by delivering a high-energy shock to the heart that momentarily stops all electrical activity in the heart. This allows the heart to re-establish a normal rhythm.

Are Defibrillators Safe?

Yes, defibrillators are safe. They’re one of the safest medical devices available. Defibrillators are designed to deliver a specific amount of electrical energy to the heart, and they will not deliver a shock unless needed.

When a defibrillator is used, the patient will feel a brief, uncomfortable shock. However, this is not harmful and is necessary to restart the heart.

Defibrillators are safe for both adults and children, and they can be used on pregnant women. However, it is important to follow the instructions with the device, as there are some special considerations when using a defibrillator on pregnant women and children.

How Effective Is a Defibrillator?

Defibrillators are effective in treating several different cardiac conditions. As mentioned, they are most commonly used to treat ventricular fibrillation, a heart arrhythmia. This condition can be life-threatening, so getting treatment as soon as possible is important.

Defibrillators are also used to treat other cardiac conditions, such as ventricular tachycardia. This is another type of heart arrhythmia that can be dangerous. In some cases, defibrillation is the only way to stop the heart from beating in an irregular way.

Defibrillators can be used in both emergency and non-emergency situations. In an emergency, a defibrillator may be used to save someone’s life. In a non-emergency situation, a defibrillator may be used to help a person who is having a heart attack or other cardiac event.

Who Can Use a Defibrillator?

Anyone can use a defibrillator, but it is important to have some training before using one. There are many different defibrillators, and each type has its instructions. Some defibrillators are designed for use by the general public, and these devices usually have clear instructions on how to use them.

It is important to follow the instructions carefully, as using a defibrillator incorrectly could do more harm than good. If you are unsure about how to use a defibrillator, or if you are not sure if a person needs a shock, it is always best to call emergency services.


Defibrillators are a life-saving tool that can be used in a cardiac emergency. When used correctly, they can help to restore normal heart rhythm and improve the chances of survival. Defibrillators are easy to use and can be found in many public places, such as airports and shopping centres. It is important to familiarise yourself with how to use a defibrillator before an emergency arises.

Are you looking for defibrillator supplies in Australia? You can get them from us at Restart the Heart. Alongside defibrillators, we also supply AED pads and batteries for all brands offering fast delivery with excellent customer care. Purchase from us today!