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. 2021 Nov 18;8:778445. doi: 10.3389/fcvm.2021.778445

Figure 5.

Figure 5

CT assessment of the anatomical regurgitant orifice area (AROA) using a manual approach. Multiplanar reconstruction is performed with the reformation planes aligned with the narrowest portion of the regurgitant orifice during mid-systole (A,B). Then, the contours of the AROA are manually traced on the reconstructed short axis (C) and tridimensional visualized in the volume rendering apical view (D, arrow) (3mensio Structural Heart; Pie Medical Imaging, Maastricht, The Netherlands). Ao, aorta; IVS, interventricular septum.