Tetralogy of Fallot booklet

Tetralogy of Fallot is one of the most common congenital heart defects.

This condition has four main features:

  • Overriding aorta
  • Pulmonary stenosis
  • Right ventricular hypertrophy
  • Ventricular septal defect

The weak heart pumps low oxygen blood flows to the body, causing the baby's skin to turn blue.

Our fetal heart specialists diagnose and monitor this heart condition during your pregnancy.