Authors: Jed Kinnick, MD and Destiny F. Chau, MD - Arkansas Children’s Hospital/University of Arkansas for Medical Sciences, Little Rock, AR


According to Van Praagh’s embryological theory, Tetralogy of Fallot (TOF) is the result of a single anomaly which also gives rise to two other congenital cardiac anomalies. What is the single anomaly that gives the basis for Van Praagh’s embryologic theory of TOF?