This condition can disrupt the rhythm of your heart. It can cause palpitations, fainting or, in serious cases, cardiac arrest.
A defibrillator (sometimes called an AED) can save someone's life if they have a cardiac arrest. Learn more about 'defibs' and how to find one.
Wiggle’s collapse highlights the importance of CPR and defibrillators
Former yellow Wiggle, Greg Page, survived a cardiac arrest thanks to the quick actions of bystanders who performed CPR and used a defibrillator.
Acting fast when you notice the warning signs of a heart attack could save your life — or someone else's. Here's how to recognise the symptoms.
Adrenaline (epinephrine) is a hormone that helps you react more quickly in a stressful situation. Adrenaline is also used as an emergency treatment for a severe allergic reaction (anaphylaxis). Learn more here.
Long QT syndrome
Long QT syndrome (LQTS) is a disorder of the heart's electrical system that can cause fast, chaotic heartbeats, called arrhythmias.
Wolff-Parkinson-White syndrome is a possible cause of tachychardia (occasional or frequent episodes of very fast heartbeats). Learn more here.
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.
General anaesthetic (child)
A general anaesthetic is usually a safe and effective way for your child to have an operation or procedure. Most children do not have any problems.
Magnesium and your health
Magnesium is a mineral that people get from the food they eat, like vegetables, pulses, nuts, seeds and whole grains. Read about magnesium’s benefits.