Heart attack | Better Health Channel

Heart disease is a general term for problems that affect the structure and function of your heart muscle. It includes:
A heart attack is when the blood supply to your heart muscle is blocked, and your heart doesn't get enough oxygen. Your heart muscle is damaged.
Heart attacks are commonly caused by coronary heart disease (CHD). Angina is also caused by CHD and can be a symptom of a heart attack. Twice as many males as females live with CHD.
Coronary heart disease is the leading cause of death in Australia, affecting 1 in 7 adults aged 75 years and older. Every day, about 19 people die from a heart attack.
The most common heart attack symptom in males is chest pain.
Chest pain from a heart attack is often described as:
Other symptoms of a heart attack are:
The most common heart attack symptom in females is chest pain.
Chest pain from a heart attack is often described as:
Females are more likely than males to have non-chest pain symptoms, such as:
If you or someone else has the symptoms above and might be having a heart attack, call triple zero (000) right away for an ambulance. Early treatment could save a life.
If you think you might be having a heart attack, you should:
If someone is unconscious or not breathing, call for help and start CPR right away. If available, use a defibrillator.
Do not drive if you're having chest pain. If no ambulance is available, ask someone to take you to the hospital.
Well-known risk factors for heart disease are:
Females can also have other risk factors, such as:
Also, some pregnancy complications can increase your risk of heart disease later on. These include:
Having an autoimmune condition can also increase your risk. These conditions, and some of the treatments for them, are more common in females than males.
Males with erectile dysfunction are at increased risk of heart disease.
Anyone can reduce their risk of heart attack by:
Visit the Heart Foundation (Opens in new tab) for information on the heart, heart disease and heart attack symptoms.
You can also call the healthdirect helpline on 1800 022 222 (known as NURSE-ON-CALL in Victoria). A registered nurse is available to speak with 24 hours a day, 7 days a week.
The Heart Foundation also has heart health information in languages other than English (Opens in new tab).
Information designed in collaboration with Aboriginal people is available from St Vincent's Hospital Heart Health: Aboriginal Heart Health (Opens in new tab).
Find out how we develop and review our content.
Last reviewed: September 2025

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