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 ...

This paper presents serial cardiac-catheterization data showing spontaneous functional closure of large symptomatic defects in 3 infants. One had an associated moderate-sized patent ductus arteriosus ...

The study was approved by the Institutional Review Board of Shanghai Children's Medical Center (Approval No. SCMCIRB-K2022037-1) with a patient exemption applied. All patients were examined with ...

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 ...