Dr. Sable with Victoria and Christian. Victoria had open heart surgery to repair Tetralogy of Fallot in February 2014. Sable says, “She is a completely different child, playing normally with no limitations. Her oxygen level has gone from 60 percent to 100 percent. Christian had relief of a blockage in his pulmonary valve by surgery last February by our team. He is now doing great and has so much more energy.”