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. 2021 Jun 30;14(7):e012411. doi: 10.1161/CIRCIMAGING.121.012411

Figure 2.

Figure 2.

Three-dimensional fetal cardiac magnetic resonance imaging data from a false positive (red) and true positive (blue) case of coarctation of the aorta, both acquired at 32 wk. Panels A and C show the fetal heart from a rightward/posterior position and panels B and D from a leftward/anterior position. A schematic overlay demonstrates the major measurements undertaken this study. AAo indicates ascending aorta; AngIst, isthmus:ductal angle; DAI, distal arch index; DAo, descending aorta; Disp, isthmal displacement; LA, left artery; MPA, main pulmonary artery; QAAo, ascending aortic flow (mL/kg per min); QIst, isthmus flow (mL/kg per min; shown as anterograde [+] in A and retrograde [−] in C); RA, right artery; SVC, superior vena cava; and TAo, distal transverse aortic arch.