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 or ‘defib’) can save someone's life if they have a cardiac arrest. Learn more about defibs, and how to increase a person's chances of survival.
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.
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.
Long QT syndrome
Long QT syndrome (LQTS) is a disorder of the heart's electrical system that can cause fast, chaotic heartbeats, called arrhythmias.
Electric shock and burn symptoms
Trusted information about electric shock and burn symptoms, including how to stay safe and what to do if someone near you receives an electric shock
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.
Not feeling well? Use the healthdirect Symptom Checker to better understand your symptoms and get advice on when to seek medical attention.
Rhabdomyolysis happens when muscle tissue is destroyed and their contents released into the bloodstream. Find out more about its symptoms and treatments.