Fig. 1

The doubly-oblique cross-sectional stack of 2D cines was planned on two orthogonal cines of the left ventricular outflow tract (LVOT)  (a). For 3D self nav, a multiplanar reconstruction of the aortic root plane was performed (b). Cusp to the opposite commissure (CuCo) (c) and cusp to cusp (CuCu, d) inner to inner edge diameters were determined. For bicuspid aortic valve (BAV) patients in whom identification of three cusps was not possible, the maximum diameter and a second, orthogonal diameter were obtained (e)