Aortic stenosis is described as mild, moderate or severe based on these measurements. Critical N/A < 0.7 The echocardiogram can both confirm the diagnosis of aortic stenosis and quantify the severity.

In principle, the blood volume passing through a stenotic valve (aortic stenosis ... of the LVOT at the site of measurement times its velocity: flow (Q) = CSA velocity. V 1 and V 2max, which ...