Sudden Cardiac Arrest Awareness Month

24 September 2025

In the past year, over 2,300 people were treated for an out-of-hospital cardiac arrest across Aotearoa — a 4.8% increase on the year before. The reality is sobering:

  • Only 6% of patients received defibrillation by a community responder before the ambulance arrived. That means far too many lives are still being lost simply because an AED wasn’t close enough when it was needed.

  • Community defibrillation doubled survival odds, yet many communities, especially rural and remote ones, still lack easy access to AEDs.

Behind those numbers are real lives. Sudden cardiac arrest doesn’t discriminate. It doesn’t just happen to the elderly or people with existing health issues — it can strike anyone, at any age, and at any time, including children and those who appear fit and healthy. 

We continue to hear remarkable stories of survival, where an AED made all the difference. The examples below are just a handful of the lives saved with Heart Saver defibrillators in the past year. In many of these cases, the rescuer wasn’t a medical professional but an everyday person — a friend, neighbour, colleague, or even a stranger passing by.

Every AED placed in a workplace, school, sports club, or community hub increases the chances that the next story will be one of survival.

Source: Hato Hone St John OHCA National Report 2023/2024.

Only 6% of cardiac arrest patients received defibrillation by a community responder last year.

Be Prepared

If you don't have an AED, consider investing in one for your company, community, or sports club. For optimal chances of survival, an AED should be within a 4-minute round trip. This is especially important in rural areas, where cardiac arrest survival rates are 45% lower than in urban settings. Here are a few things you can do to be prepared:

Know where AEDs are in your community: Visit the AED Locations website.

Consider getting an AED for your community:  The Heart Saver AED7000 is our top-selling AED with over 7000 units already in circulation and it comes with everything you need to save a life.

Learn CPR:  Think about setting up an AED/CPR training session for you, your family, your staff or your community organisation.

Defibrillation can double odds of survival, but many communities still lack easy access to AEDs.

See the Signs


A heart attack is a circulation problem caused by a blocked artery. In most cases, the person is still conscious and breathing.

A cardiac arrest, however, is an electrical problem of the heart that causes it to stop beating. The person collapses, becomes unconscious, and isn’t breathing. In that moment, survival depends on two things: immediate CPR and rapid access to a defibrillator (AED).

Let's work together to make our communities safer and better prepared this Sudden Cardiac Arrest Awareness Month.

Act Fast

There are several simple, important steps you can take in a Sudden Cardiac Arrest Emergency that can make a real difference.

Make sure to stay calm, reach out for help and use the nearest AED available.

Let's work together to make our communities safer and better prepared this Sudden Cardiac Arrest Awareness Month.

Have any questions?
We'd love to hear from you.

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