Fig. 1.

Overview of applied techniques for dimensioning segments of the aorta and the pulmonary trunk in children and adult population. a aortic annulus (inner edge in mid-systole according to Gautier et al. and Roman et al.); b aortic root, sinotubular junction, distal ascending aorta (leading edge in end-diastole, Gautier et al. and Devereux et al.); c thoracic descending aorta (inner edge in mid-systole, Pettersen et al. and Roman et al.); d abdominal aorta (inner edge in mid-systole, Pettersen et al. and Evangelista et al.); e aortic arch (inner edge in end-diastole, Mirea et al.); f aortic arch (inner edge in mid-systole, Pettersen et al.); g pulmonary trunk (inner edge in mid-systole, Pettersen et al.); h pulmonary trunk (leading edge in end-diastole, Sheikhzadeh et al.)