Ventricular septal defect (VSD) - Mayo Clinic A ventricular septal defect changes the direction of blood flow in the heart and lungs The hole lets oxygen-rich blood go back into the lungs, instead of going out to the body
SEPTAL | English meaning - Cambridge Dictionary SEPTAL definition: 1 relating to the septum (= a thin part dividing tissues or spaces in an organ such as the nose or heart): 2 relating to the septum (= a thin…