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Ventricular septal defect (VSD) is one of the most common congenital heart malformation. As an isolated lesion, it accounts for 20%-30% of patients with congenital heart disease.1 Eighty percent of these defects are perimembranous involving the membrano
As an isolated lesion, it accounts for 20% -30% of patients with congenital heart disease.1 Eighty percent of these defects are perimembranous involving the membrano