What happens if ventricular septal defect (VSD) is not treated?


Ventricular septal defects are holes in the wall between the heart’s lower pumping chambers (the ventricles) that may close naturally, especially if they are small. Larger holes are less likely to close on their own and require treatment to prevent irreversible damage to the blood vessels of the lungs and heart failure. If damage progresses, premature death can result, typically in the fourth or fifth decade of life.


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