Heart arrhythmias

Heart arrhythmias are irregular heartbeats. The heart can beat too fast, too slow or irregularly — learn how to recognise the symptoms here.

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Long QT syndrome

Long QT syndrome (LQTS) is a disorder of the heart's electrical system that can cause fast, chaotic heartbeats, called arrhythmias.

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Brugada syndrome

This condition can disrupt the rhythm of your heart. It can cause palpitations, fainting or, in serious cases, cardiac arrest.

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Wolff-Parkinson-White syndrome

Wolff-Parkinson-White syndrome is a possible cause of tachychardia (occasional or frequent episodes of very fast heartbeats). Learn more here.

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Complications of a heart attack

Potential complications arising from a heart attack can vary widely, from mild to life threatening. Find out about complications of a heart attack.

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Heart palpitations

If you become suddenly aware of your heartbeat, especially if it’s faster or harder, you could be having palpitations. Learn how to spot the signs.

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Bradycardia

Bradycardia is a slower than normal heart rate, which can lead to a range of symptoms such as feeling faint, tired or short of breath.

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Atrial fibrillation

Atrial fibrillation (when part of the heart ‘quivers’ rather than beating normally) could lead to a stroke. Know the symptoms and decrease your risk.

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Implantable cardioverter defibrillators

An ICD, also sometimes called an ACID (automated implantable cardioverter defibrillator) may be needed if you have an abnormally fast or irregular heartbeat.

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External cardioversion

An external cardioversion is a procedure to treat an abnormal heart rhythm. It involves connecting you to a defibrillator machine that gives a controlled electric shock to make your heart beat normally again.

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Beta blockers

Beta blockers are medicines that are used to treat high blood pressure (hypertension), although there can be risks for some people. Find out more about the benefits and risks of using beta blockers.

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Tachycardia

Tachycardia is a condition where the heart beats at a faster rate than normal (usually more than 100 beats per minute).

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Pacemaker

Has your doctor recommended you to have a pacemaker? Find out what it is, who needs it and things to consider before and after the surgery.

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Heart

The heart pumps blood around the body to supply tissues with nutrition and oxygen. Find out about how it works and a number of health problems related to the heart.

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Heart attack treatments

Too many people lose their lives because they wait too long to get treatment for heart attack. Find out about treatment options for a heart attack.

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Rheumatic heart disease

Rheumatic heart disease is a condition that develops when the body’s heart valves are damaged by rheumatic fever. It is serious, but it’s also entirely preventable.

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Heart failure diagnosis

There are a number of common symptoms of heart failure or chronic heart failure. If your doctor thinks you may have heart failure, you will probably need to have tests to find out more.

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What causes heart failure?

Often there is not one single cause of heart failure. There are a number of conditions that make it more likely that you will develop heart failure. Find out what can cause heart failure.

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Potassium

Potassium is a mineral and electrolyte that helps nerves and muscles function properly. Find out more about what it is, as well as the risks of high and low potassium levels.

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Coronary heart disease treatment

Although there is no cure for coronary heart disease, there are a range of treatments your doctor might recommend to reduce your risk. Find out how coronary heart disease is treated.

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Differences between heart disease in women and in men

Heart disease often goes undiagnosed in women, partly because symptoms can develop later. Learn more about why heart disease differs in men and women.

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Blackouts

A blackout is a temporary loss of consciousness. A common cause of a blackout is fainting, but can be caused by a serious health condition. Treatment will depend on the cause of your blackout. Learn more here.

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Do face masks protect you from bushfire smoke?

Face masks won’t necessarily protect you from the poor air quality being caused by Australian bushfire smoke. Here's why, and what you can do to protect yourself.

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