Results for: etiology Your search came up with 2 results: Volumes/Issues / Volume 1 (2012) / Issue 3 September-December 2012 Congenital heart diseases Saturday, September 1, 2012Congenital heart diseases are the second leading cause of death in infancy and childhood, as well as the only cause of heart disease in the pediatric population in developing countries. Congenital heart diseases are defined as the conformation abnormalities of the heart or the blood vessels, formed during fetal life (3 to 6 weeks of pregnancy), i.e. when the heart or the major blood vessels of the Volumes/Issues / Volume 3 (2014) / Issue 2 May-August 2014 Congenital Heart Diseases Thursday, May 1, 2014Congenital heart diseases are seen in about 8-10 babies out of 1000 live births. These abnormalities may be caused either by environmental factors that affect the mother or are inherited via abnormal genes from the affected parent. Congenital heart diseases can be broadly classified as 'Cyanotic' or 'Acyanotic' andmay range from simple defects with no symptoms to complex defects with severe, life-threatening