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Atrial Fibrillation Awareness Week 2025

More than 110 Australians fall victim to stroke every day, with one-in-four attributed to atrial fibrillation (AF).1,2 AF impacts more than 500,000 Australians, with up to 30% unaware they are living with the condition.1,2,4 AF-related mortality rates have doubled over the last two decades, costing the health system more than $1.4 billion annually.4 It is the second most expensive cardiovascular condition in Australia and a major public health issue.

About Atrial Fibrillation Awareness Week 2025

This Atrial Fibrillation Awareness Week, Hearts4heart CEO, Tanya Hall, and director, Dr Geoff Lester, are joining AF experts to raise awareness about prevention, symptoms, diagnosis and complications related to AF.

Tanya Hall
Dr Geoff Lester
Dr Warrick Bishop
Dr Kushwin Rajamani
Dr Emily Kotschet
Dr Karen Phillips
A/Professor Rajiv Mahajan
A/Professor Chrishan Nalliah

What is atrial fibrillation?

AF is when the heart’s upper chamber, the atria, beats abnormally. It occurs when there is a disturbance to the heart’s electrical system, resulting in an irregular pulse or heartbeat.1 This means the heart is not pumping blood around the body as well as it should, often leading to increased risk of stroke, heart failure or dementia.1,2,5

It is associated with high blood pressure, heart disease, obesity, alcohol consumption and other comorbidities such as type 2 diabetes and lung cancer.2 Increased risk can also be seen in some families.

AF can affect people in different ways and typically starts as short episodes, which can then become longer attacks overtime. This may eventually develop into permanent atrial fibrillation.

What are the symptoms of atrial fibrillation?

Recognising symptoms is key to early diagnosis, stroke prevention, and can support effective management of the condition, as well as improved outcomes. Some people living with AF – even people with excellent physical fitness – don’t experience symptoms.

AF symptoms can present as one or a combination of the below:

  • Rapid heartbeat or palpitations
  • Tiredness
  • Fainting
  • Chest pain
  • Dizziness
  • Shortness of breath
  • Swelling of the ankles

Hear from Hearts4heart CEO, Tanya Hall, on her experience living with atrial fibrillation:

How to reduce your risk of serious AF outcomes

Making lifestyle changes can help manage AF and reduce your risk of problems such as stroke. Your doctor may suggest:

Australians living with AF can also be supported by technological developments including medical devices such as pacemakers, which can be monitored remotely to help with heart health management. It’s important to regularly check your device is functioning accurately. If any issues arise, contact your specialist or GP for assistance.

Are you at risk?

Wearable devices such as smart watches, or knowing how to correctly check your pulse, can help identify possible AF symptoms.

Do you know how to check your pulse?

In this video, Dr Geoff Lester demonstrates this simple, potentially lifesaving skill. Watch and follow him as he takes you through the steps.

If a very slow or very fast pulse is detected, visit your doctor and request a heart check with a stethoscope.

What the experts say

Cardiologist and best-selling author, Dr Warrick Bishop, emphasises that early diagnosis of AF is crucial. It enables timely access to treatment, slows disease progression, reduces the risk of stroke and can support overall quality of life.3

Atrial fibrillation is known to cause the most debilitating strokes, but with early diagnosis and appropriate medical management, together with lifestyle changes and regular exercise, AF-related strokes are largely preventable,” said Dr Bishop.

You’ve only got one heart.
Don’t fail it.

If you think your heartbeat may be irregular, talk to your GP about atrial fibrillation.

Hearts4heart has developed a range of resources for all Australians to read and share with their families and friends:

How can I donate?

Hearts4heart relies on the generosity of people like you to help us to continue our important work providing targeted educational programs, resources and services to improve heart failure diagnosis in Australia.
References:

1. Australian Institute of Health and Welfare. December 2024. Heart, stroke and vascular disease: Australian facts. Retrieved from https://www.aihw.gov.au/reports/heart-stroke-vascular-diseases/hsvd-facts/contents/all-heart-stroke-and-vascular-disease/atrial-fibrillation

3. Heart Research Institute. November 2022. HRI appeal for funds: Heart rhythm clues in regular pulse check could stop stroke. Retrieved from https://www.hri.org.au/the-latest/news/heart-rhythm-clues-in-regular-pulse-check-could-stop-stroke#:~:text=%E2%80%9CThe%20aim%20of%20the%20trial,by%20up%20to%20five%20times.

4. Deloitte Access Economics. September 2011. Atrial fibrillation and the cost of preventable strokes.

5. Heart Research Institute. (2022). Link between Dementia and Atrial Fibrillation. Retrieved from https://www.hri.org.au/news/link-between-dementia-and-atrial-fibrillation-irregular-heartbeat