There are great images and descriptions of the heart and how defects interfere at the National Heart, Lung and Blood Institute.
Atrioventricular Septal Defect (AVSD)
Complete Atrioventricular Canal Defect (CAVD)
Hypoplastic Left Heart Syndrome (HLHS)
Partial Anomalous Pulmonary Venus Return
Patent Ductus Arteriosis (PDA)
Total Anomolous Pulmonary Venus Connection (TAPVC)
Total Anomalous Pulmonary Venus Return (TAPVR)
dextro-Transposition of the Great Arteries (d-TGA)
L-Transposition of the Great Arteries
Ventricular Septal Defect (VSD)