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Figure 3 Echocardiographic images of bicuspid aortic valve. (A) R-Non, diastole; (B) R-Non, systole; (C) R-L, diastole; (D) R-L, systole. Arrows= commissure location and orientation. Orientation arrows in D correspond to echocardiographic cross-sections for all panels. L = left; R = right.