Heart arrhythmias

A heart arrhythmia is an irregular heartbeat. Your 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

Brugada syndrome can disrupt your heart rhythm, causing palpitations, fainting or in serious cases, cardiac arrest. Read about symptoms and treatment.

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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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Beta blockers

Beta blockers are medicines used to treat some heart conditions. Learn about potential risks, benefits and how they work.

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Implantable cardioverter defibrillators

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

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Pacemaker

A pacemaker is a medical device put in the chest to correct heart problems, such as irregular heartbeat or heart muscle problems.

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Atrial fibrillation

Atrial fibrillation (AF or Afib) is a heart rhythm problem that can increase your risk of stroke. Find out about the symptoms and treatment for AFib.

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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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Potassium deficiency

Potassium is a mineral that helps nerves and muscles function properly. Read more about potassium deficiency, symptoms, diagnosis and causes.

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Calcium channel blockers (CCB)

Find out what the most common types of calcium channel blockers are used for, how they work and any side effects associated with taking them.

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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 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 and the causes of heart palpitations.

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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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Potassium and your health

Potassium is a mineral that your body needs so nerves and muscles function well. Read more on the signs of having too much or too little potassium.

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Magnesium deficiency

Magnesium deficiency is when the body doesn’t get all the magnesium it needs. Read more about magnesium deficiency symptoms, diagnosis and causes.

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Defibrillators

A defibrillator can save someone's life if they have a cardiac arrest. Learn more about defibrillators and how to find and use one.

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Heart attack symptoms: men vs women

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. It can be caused by fainting, or a more serious issue. Learn more about blackout treatments 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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Tachycardia

Tachycardia (if your heart beats faster than usual, more than 100 beats per minute) can be a normal response to exercise or stress or a sign of disease

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Manage your health in your 60s

If you are in your 60s, you should be aware of some common health conditions. Find out their symptoms, how to prevent them and stay healthy.

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Manage your health in your 70s and older

If you are 70 or older, you should be aware of common health conditions and their signs. Learn some ways to help manage your health as you age.

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Coronary heart disease and atherosclerosis

Coronary heart disease (CHD), also known as ‘ischaemic heart disease’, is the most common form of heart disease. Learn how to reduce your risk.

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Heart attack

Acting fast when you notice the warning signs of a heart attack could save a life. Here's how to recognise the symptoms of a heart attack.

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