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 ...

Incomplete development of the endocardial cushion and the atrioventricular septum is responsible for the development of AV canal defects. These defects range from primum atrial septum defects to ...

An atrioventricular septal defect (AVSD) is a condition in which there is a hole between the chambers of the left and right sides of the heart. Additionally, the valves between the chambers may not ...

The most commonly seen defects at birth are congenital heart defects (CHD). These anomalies arise when there is a failure of the heart or its major blood vessels to form properly during embryonic ...

Nearly 40 years ago when Lis Dreizen’s daughter Olivia was born with a congenital heart defect, doctors were grim about her chances to live. “I would cry simply looking at Olivia, and it was very hard ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

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 ...