Orifice area:Area:Pt:Aortic valve:Qn:US.continuity.VTI+Diameter
orifice area:area:pt:aortic valve:qn:us.continuity.vti+diameter
Orifice area:Area:Pt:Aortic valve:Qn:US.continuity.VTI+Diameter
orifice area:area:pt:aortic valve:qn:us.continuity.vti+diameter