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Congenital Heart Disease

Congenital Heart Disease in Children, Symptoms and Causes

When the heart or blood vessels near the heart do not develop normally before birth, a condition called congenital heart defect occurs (congenital means "inborn" or "existing at birth"). Most heart defects either cause an abnormal blood flow through the heart, or obstruct blood flow in the heart or vessels (obstructions are called stenoses and can occur in heart valves, arteries, or veins).