Parameters of Aortic Stenosis on Echocardiography

  • Aortic Stenosis

    Aortic sclerosis
    Mild
    Moderate
    Severe
    Vmax AoV (m/s)

    Aortic valve maximum velocity

    		 <2,5 2,6 - 2,9 3,0 - 4,0 >4,0
    meanPG AoV (mmHg)

    Aortic valve mean pressure gradient

    		 <20 20 - 40 >40
    AVA (cm2)

    Aortic valve area (continuity equation)

    		 >1,5 1,0 - 1,5 <1,0
    AVA (cm2/m2)

    Aortic valve area (continuity equation)

    		 >0,85 0,60 - 0,85 <0,60
    Velocity ratio

    Aortic valve velocity ratio (Dimensionless index)

    		 >0,5 0,25 - 0,5 <0,25
    Recommendations on the Echocardiographic Assessment of Aortic Valve Stenosis: A Focused Update from the EACVI and the ASE (2017)