Fainting

Fainting is a temporary loss of consciousness when the blood flow to the brain is reduced. See your doctor if you faint, especially the first time.

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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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Collapsing

Collapsing has a range of causes, often occurring because of fainting. Find out about the causes of collapse and what to do if someone collapses.

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Lightheadedness

Lightheadedness or feeling woozy is when you feel like fainting or passing out. You might be dehydrated or it could be something more serious.

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Dizziness

Being dizzy can make you feel light-headed, unsteady or weak. Read about the causes and symptoms of dizziness, and how to manage symptoms.

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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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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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Aortic stenosis

Read about aortic stenosis, a condition where the aortic heart valve narrows - making it hard for the heart to pump blood through.

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Heart palpitations

When you have palpitations you are suddenly aware of your heartbeat. Read about the causes, related symptoms and what to do if you have palpitations.

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Cardiomyopathy

Cardiomyopathy is a condition that affects your heart muscle. Find out about the different types of cardiomyopathy, symptoms and treatments.

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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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Guide to blood testing

Find out all about blood tests, including where to get a blood test in Australia, what happens when you have a blood test, and how long it takes.

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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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Panic attacks and panic disorder

Panic attacks and panic disorders have distinct features that set them apart, read more to learn how to identify symptoms of each condition.

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Blood in stool

Blood in your stool (poo) can indicate a serious problem. Find out more about the causes of blood in your poo and what you should do about it.

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Low blood pressure (hypotension)

Although low blood pressure (hypotension) is better than high, it can cause troublesome symptoms or be the sign of an underlying problem.

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Wolff-Parkinson-White syndrome

Wolff-Parkinson-White syndrome (WPW) can cause episodes of fast heartbeat, or tachycardia. Learn more here about the symptoms and treatments for WPW.

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Circulatory system

The circulatory system includes the blood, heart and blood vessels. It moves oxygen and nutrients around the body and removes carbon dioxide to help keep your body cells healthy.

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Ectopic pregnancy

An ectopic pregnancy is when a pregnancy implants outside your womb, usually in a fallopian tube. Read about ectopic pregnancy symptoms and treatment.

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Stool changes

Although stools (faeces or poo) can vary, you should pay attention to what your stools look like. Learn more about what changes you should look out for.

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Injection or banding of haemorrhoids

Injection or banding is usually a safe and effective way of treating haemorrhoids.

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Ovarian cysts

An ovarian cyst is a fluid-filled sac in the ovary and is common. Learn more about the types of cysts, symptoms and treatments and when to seek care.

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Gastroenteritis

Gastroenteritis (‘gastro’) is an infection of the gut that can cause diarrhoea and vomiting. Learn here about gastro treatment and symptoms.

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Heart valve disease

If your heart valves do not work well, your blood flow is affected, putting strain on your heart. Lifestyle changes can help prevent disease.

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Pulmonary hypertension

Find out all about pulmonary hypertension, a condition caused by changes to the arteries in your lungs that can damage your heart.

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Hot weather risks and staying cool

Hot days and heatwaves can place extreme stress the body, and for some it can be dangerous. Here’s how to keep yourself and others cool and hydrated.

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Underlying causes of abdominal pain

Abdominal pain has many causes, and may be short-term, long-term or come and goes. Sudden and severe abdominal pain is a medical emergency.

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Glandular fever

Glandular fever (also called 'kissing disease') is an infectious disease common in teenagers and young adults. Learn how glandular fever can spread.

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Objects in the nose

An object in the nose can go unnoticed until there is pain or swelling of the nose. See a doctor if you think your child has an object in the nose.

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Ciguatera poisoning

Ciguatera poisoning only comes from certain fish from warm waters and can cause severe complications. Read on for management and prevention advice.

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