The Ventricular Septal Defects represent 30% of all the congenital cardiac defects.
Important is to underline that the interventricular septum has a membranosus part (superior) and a muscular part (inferior).
There are also 4 types of VSD:
Perimembranosus: under aortic valve. gives a aortic insufficiency due to the prolapse of the right coronaric cuspid ...