- Endocardial Cushion Defect
- Group of CHD conditions (Ostium Primum, common Atrioventricular Canal Defects)
- AV septum forms abnormally or AV valves (mitral valve, tricuspid valve) form abnormally
- Isolated Ostium Primum ASD
- No Congestive Heart Failure unless severe mitral insufficiency
- Common Atrioventricular Canal Defects (CAVC) involving both ASD and VSD
- Congestive Heart Failure presentation after the second week of life
- Left Axis Deviation (and Superior axis)
- Fujii and Lock in Cloherty (1991) Manual Neonatal Care, Little Brown, Boston, p. 257