The suprasternal notch is an excellent view to profile the ascending aorta. It is an optimal view to assess the degree of aortic stenosis by spectral Doppler as the velocity of interrogation is relatively parallel. This view is also useful for measuring the dimension of the ascending aorta.
Probe placed in suprasternal notch
Notch pointed towards 1 o'clock
Tilt inferiorly and anteriorly
Valvar aortic stenosis (quantification of stenosis by spectral Doppler)