Atrial septal defect
Atrial septal defects are a congenital heart defect where the septum that separates the left and right atria don’t close following development, leaving an opening and potentially allowing blood to leak between the two chambers.
Atrial septal defects are a congenital heart defect where the septum that separates the left and right atria don’t close following development, leaving an opening and potentially allowing blood to leak between the two chambers.