This chapter contains sections titled: Prevalence Association with 22q11 microdeletion Recurrence risks Morphology The pulmonary vascular bed in tetralogy of Fallot Associated anomalies Outcome analysis Postnatal outcome Palliation Total repair of tetralogy of Fallot Tetralogy of Fallot, low birth weight, and extracardiac anomalies Other specific complicating anatomic features Long-term follow-up