Is Tetralogy of Fallot hereditary?
Written by Yan Xin Liang
Pediatrics
Updated on September 13, 2024
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Tetralogy of Fallot is a common cyanotic congenital heart disease in children, accounting for about ten percent of congenital heart diseases. It primarily consists of four abnormalities: ventricular septal defect, right ventricular outflow tract obstruction, overriding aorta, and left ventricular hypertrophy. Congenital heart disease is not a hereditary disease; it is not controlled by genes, mainly due to abnormal development of the heart and blood vessels during fetal development, leading to cardiovascular malformations. Thus, this disease is not hereditary.
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