A complete echocardiographic evaluation for aortic stenosis requires quantitative ... valve area of about 0.6 cm2 calculated by the continuity equation formula. Planimetry revealed a much larger ...
In principle, the blood volume passing through a stenotic valve (aortic stenosis) is equal to the blood volume proximal to the stenosis or in the LVOT (Figure 4). The stroke volume is equal to ...
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