Circulatory system

Your body's circulatory system comprises the blood, heart and blood vessels. It moves oxygen and nutrients around the body, and removes carbon dioxide. Find out more, including about the problems that can occur.

Read more

Blood and blood vessels

Blood flowing through the blood vessels carries oxygen, nutrients and waste around the body. Find out the components of blood.

Read more

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.

Read more

Heart and cardiovascular conditions

Learn more about the conditions that affect your heart and cardiovascular system, such as high blood pressure, angina and heart disease.

Read more

Anatomy

The human body has many different systems and organs that all serve different function. Learn more about the brain, heart, digestive system and other parts of the body.

Read more

Cardiac enzymes

Cardiac enzyme tests can check whether the heart muscle is damaged, and indicate if a person has had a heart attack.

Read more

White blood cells

White blood cells are a vital part of your immune system, detecting and dealing with infections. Find out more more about health problems involving white blood cells.

Read more

Cholesterol and lipid tests

A cholesterol (or lipid profile) test looks at the various levels of cholesterol and other fats in your blood.

Read more

Aortic dissection

Aortic dissection is a rare but serious condition where there is a tear in the innermost wall of the aorta — the largest artery in the body.

Read more

Electrocardiogram (ECG)

To find out how well your heart is working, your doctor may ask you to have an electrocardiogram (ECG). Learn more about it and why you may need an ECG.

Read more

Angioplasty

Angioplasty is performed to increase the flow of blood through a narrowed artery. Learn how to prepare for angioplasty and what to expect.

Read more

Endocarditis

This rare but potentially fatal condition is caused by infection of the inner lining of the heart. A quick diagnosis of endocarditis is vital.

Read more

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.

Read more

Heart transplants

A heart transplant is an operation to replace a damaged heart with a healthy donor heart. Learn about waiting lists and life after a transplant.

Read more

Anaemia

Anaemia is a lack of red blood cells, which carry oxygen from the lungs around the body. It's important treat the cause of the anaemia.

Read more

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.

Read more

Aortic valve replacement

The aortic valves in the heart keep blood flowing in the correct direction. Learn how to prepare for an aortic valve replacement and what to expect.

Read more

Red blood cells

Red blood cells carry oxygen around your body and transport carbon dioxide to the lungs. Learn about related health problems and how a healthy diet can help produce red blood cells.

Read more

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.

Read more

Triglycerides

Triglycerides are a type of fat in your blood and are usually measured along with cholesterol. Find out more about the impact of high triglyceride levels.

Read more

Cholesterol

Cholesterol is a fat-like substance made by your body and also found in food. It is needed for good health, but too much can increase your risk of heart disease.

Read more

Statins

Statins are medicines used to lower cholesterol and are recommended for people at risk of cardiovascular disease. Here's how statins work.

Read more

Is butter really better?

Butter is back in fashion because it's 'all natural', but since it's high in fat, is it healthier than margarine? And what about cholesterol-lowering spreads?

Read more

5 heart health myths, busted

Heart disease is the leading underlying cause of death in Australia. Knowing how to look after your heart is essential, but there's a lot of misinformation out there.

Read more

Tachycardia

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

Read more

Metabolic syndrome

Metabolic syndrome is a cluster of risk factors that raise the risk of stroke, heart disease and type 2 diabetes. Find out its symptoms and treatments.

Read more

Dietary fats

The body needs some fats and oils as part of a balanced diet. But some fats (unsaturated fats) are healthier than others (saturated and trans fats).

Read more

Physiotherapy

Physiotherapy can help treat you if you have a problem with pain or movement. Learn more about what they do and how they can help.

Read more

How to lower your cholesterol

High cholesterol increases the risk of heart disease and stroke, but lifestyle changes and sometimes medicines can lower your levels of bad LDL cholesterol.

Read more

Vitamin B deficiency

To maintain optimum health it's important to get enough of the right nutrients. Learn how a vitamin B12 deficiency can affect you.

Read more