Truncus Arteriosus
Truncus arteriosus occurs when the aorta and the pulmonary artery fail to separate completely during fetal development.
Total Anomalous Pulmonary Venous Return
In this condition, the four pulmonary veins are connected somewhere besides the left atrium.
Hypoplastic Left Heart Syndrome
Hypoplastic left heart syndrome is a combination of several abnormalities of the heart and great blood vessels.
Anomalous Coronary Artery (ACA)
An anomalous coronary artery is a coronary artery that has an abnormality or malformation.