The parasternal short axis view is an excellent view to profile the aortic valve commissures. It can define the site of leaflet fusion in the setting of a bicsupid aortic valve and profile the site of origin of aortic regurgitation.
Left sternal border
3rd or 4th intercostal space
Notch pointing towards left shoulder (1-2 o'clock)
Use machine zoom and narrow sector width profile aortic valve in center of screen