Aortic annulus |
Parasternal long axis view |
Inner edge in mid-systole, maximal diameter at the hinge points of the leaflets |
Roman et al. [18] |
Aortic root |
Leading edge in end-diastole, the largest diameter within the sinuses of Valsalva |
Devereux et al. [19] |
Sinotubular junction |
Leading edge in end-diastole, maximal diameter at the transition point from sinus to tubular aorta |
Roman et al. [18] |
Distal ascending aorta |
Leading edge in end-diastole, maximal diameter 1 cm behind sinotubular junction |
Roman et al. [18] |
Aortic arch |
Suprasternal view |
Inner edge in end-diastole, maximal dimension perpendicular to the blood flow at the side of the distal wall of the left subclavian artery |
Mirea et al. [22] |
Descending thoracic aorta |
Modified apical four chamber view |
Inner edge in mid-systole, maximal dimension in the middle part of thoracic aorta |
Evangelista et al. [23] |
Abdominal aorta |
Subcostal view |
Inner edge in mid-systole, maximal dimension at the level of the diaphragm |
Evangelista et al. [23] |
Pulmonary main artery |
Parasternal short axis view |
Leading edge in end-diastole, maximal dimension, halfway between the pulmonary valve and the split of the pulmonary trunk on the branches |
Sheikhzadeh et al. [24] |