An external cardioversion is a procedure to treat an abnormal heart rhythm. It involves connecting you to a defibrillator machine that gives a controlled electric shock to make your heart beat normally again.
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.
Trans-oesophageal echocardiogram (TOE)
A trans-oesophageal echocardiogram (TOE) is usually a safe and effective way of finding out more about a problem in your heart chambers and heart valves.