The severity of aortic stenosis is determined by measuring the aortic valve area (AVA) and calculating the pressure gradient between the LV and the aorta on echocardiography. Aortic stenosis is ...
[5] present the results of a TAVI population stratified by left ventricular ejection fraction (LVEF) and mean gradient over the aortic valve, based on a proposal from the Quebec group. [6 ...
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