Table 1 Fetal PC-CMR blood flow assessment demonstrating the hemodynamic changes in TGA with IVS and RAS before and after fetal balloon atrial septostomy. TGA transposition of the great arteries, IVS intact ventricular septum, RAS restricted atrial septum, MPA main pulmonary artery, AAo ascending aorta, SVC superior vena cava, DAo descending aorta, UV umbilical vein, DA ductus arteriosus, PBF pulmonary blood flow, CVO combined ventricular output, FO foramen ovale

From: Update on fetal cardiovascular magnetic resonance and utility in congenital heart disease