Parent term(s)

heart septal defect +

Term with siblings

atrial heart septal defect +

atrioventricular septal defect
ventricular septal defect +

Child term(s)

atrial heart septal defect 1

atrial heart septal defect 2

atrial heart septal defect 3

atrial heart septal defect 4

atrial heart septal defect 5

atrial heart septal defect 6

atrial heart septal defect 7

atrial heart septal defect 8

atrial heart septal defect 9

Lutembacher's syndrome

patent foramen ovale

denotes an 'is-a' relationship