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Aortic annulus sizing with CT and 3D TEE. Transverse CT plane aligned at the lowest insertion points of aortic leaflets (A) and orthogonal planes oriented along the main axis of LVOT in short (B) and long axis (C) views. TEE long-axis mid-esophageal view (D), view of the aortic annulus perpendicular to the mid-esophageal view (E), aortic annulus sizing (F), and 3D visualization and measurement of aortic annulus (G).
