Atrioventricular septal defects (AVSD) comprise a spectrum of congenital heart malformations characterised by a deficiency of the atrioventricular septum, often resulting in a common atrioventricular ...

An atrioventricular canal is a congenital heart defect that connects chambers of your child’s heart that shouldn’t be connected. Atrioventricular canals usually require surgical treatment. It usually ...

A congenital heart defect is a condition you’re born with. Types of heart defects vary in severity — with some, you’ll need surgery as a child, while others don’t need treatment until later in life or ...