If you have heart block
, it means there is a problem affecting how the electrical impulses are transmitted from your atria to your ventricles.
There are different types of heart block – it can occur in your atrioventricular (AV) node or in the muscle fibres that lead into your ventricles. Your AV node is found between the upper and lower chambers of your heart. The symptoms of heart block vary and you may or may not need treatment depending on how severe they are.