Diameter.end systole:Len:Pt:Aortic valve.annulus:Qn:US.2D
diameter.end systole:len:pt:aortic valve.annulus:qn:us.2d
Diameter.end systole:Len:Pt:Aortic valve.annulus:Qn:US.2D
diameter.end systole:len:pt:aortic valve.annulus:qn:us.2d