Tetralogy of fallot is a congenital anomaly involving four anatomic abnormalities of the heart.
Tetralogy of fallot is a heart defect consisting of four problems which result to low flow of blood to the lungs. The four problems include: Ventricular septal defect, pulmonary stenosis, overriding of the aorta and right ventricle hypertrophy. The skin, fingernails and lips turn blue in tetralogy of fallot commonly known as blue baby,
The ventricular septal defect occurs when there is a hole on the two lower ventricles. Pulmonary stenosis is the narrowing of arteries supplying the lungs with blood. Overriding of the aorta is when the aorta comes off the left ventricle. On the other hand, right ventricle hypertrophy is the increased thickness of the right ventricle walls.
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