Heart and circulation

There are a number of different types of arrhythmia. Most arrhythmias that come from the top of your heart (supraventricular or atrial) can cause symptoms but aren't life threatening. Arrhythmias that arise from your ventricles (ventricular) are more serious and can sometimes be fatal.

Related articles

An angiogram (also called a cardiac catheterisation) is a test used to diagnose certain heart conditions. You will meet the doctor carrying out your procedure to discuss your care...
Low blood pressure means a blood pressure lower than would normally be expected for a particular person – low enough to cause symptoms such as fainting. Although it’s...