Aortic annulus |
Parasternal long axis view |
Inner edge in mid-systole, maximal diameter at the hinge points of the leaflets |
Gautier et al. [16] |
Aortic root |
Leading edge in end-diastole, the largest diameter within the sinuses of Valsalva |
Sinotubular junction |
Leading edge in end-diastole, maximal diameter at the transition point from sinus to tubular aorta |
Distal ascending aorta |
Leading edge in end-diastole, maximal diameter 1 cm behind sinotubular junction |
Aortic arch |
Suprasternal view |
Inner edge in mid-systole, maximal dimension between the innominate and left common carotid arteries |
Pettersen et al. [17] |
Descending thoracic aorta |
Modified apical four chamber view |
Inner edge in mid-systole, maximal dimension in the middle part of thoracic aorta |
Abdominal aorta |
Subcostal view |
Inner edge in mid-systole, maximal dimension at the level of the diaphragm |
Pulmonary main artery |
Parasternal short axis view |
Inner edge in mid-systole, maximal dimension, halfway between the pulmonary valve and the split of the pulmonary trunk on the branches |