The ventricular septal defect (VSD) is a congenital lesion characterized by the presence of an opening between cardiac chambers. The treatment might involve medical therapy to control symptoms or in certain cases, surgical resuscitation might be required.Objectives: The study was conducted to establish a database about the prevalence and pattern of VSD and their prognosis in children referred to by echocardiography in Ibn-Sena Teaching Hospital over the period of March 2019 to January 2020. Method: The present study is a prospective descriptive study conducted on all patients diagnosed with cardiac lesions revealed by echocardiography. The sample included in the study involves newborns (day 1) to 14-years-old children.Result: Out of 500 children included in the study; most of these cases were cyanotic congenital heart lesions and out of which two-third were perimembranous defects.Conclusion: The study concluded a higher prevalence of non-cyanotic lesions and peri-membranous type is the commonest VSD lesion.
