Cornelia de Lange syndrome (CdL) is characterized by growth disturbances (short stature, micrognathia), intellectual disability, congenital heart disease (ventricular septal defect [VSD], atrial septal defect, pulmonary stenosis, tetralogy of Fallot [TOF]) and multiple other physical malformations (abnormalities of bones in the arms, hands, and fingers, low-set ears, small and upturned nose). Here is a report of a case involving general anesthesia for a 21-year-old patient with CdL and unrepaired TOF, further complicated by micrognathia