| Sinus venosus atrial septal defect | |
| Field: | Cardiac surgery |
A sinus venosus atrial septal defect is a type of atrial septal defect primarily associated with the sinus venosus.
They represent 5% of atrial septal defects.[1]
They can occur near the superior vena cava or inferior vena cava, but the former are more common.[2]
They can be associated with anomalous pulmonary venous connection.[3]