Atrioventricular septal defect is a developmental irregularity in which a hole connects two or more chambers in your child’s heart. This hole may connect the top two, the bottom two, or all four ...

Around 13 children a day are born with heart conditions in the UK, but Chester's mum says she assumed only older people were ...

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 ...

Ventricular septal defect is a hole in the wall between the right and left ventricles of the heart. This abnormality usually develops before birth and is found most often in infants. The ventricles ...

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 ...