The most common cardiac congenital malformations seen clinically is
The most common of all cardiac congenital malformations seen clinically are membranous VSDs. The membranous interventricular septum forms by the proliferation and fusion of tissue from three different sources: Right bulbar ridge Left bulbar ridges Atrioventricular (AV) cushions. Because of this complex formation, the probability of defects is very high.
Persistent truncus aeriosus
Membranous VSD
Common ventricle
Foramen secundum defect
CVS Embryology