Paradoxical low-flow severe aortic stenosis (LF AS) despite preserved left ventricular ejection fraction (LVEF) has been shown to be distinct from normal-flow (NF) AS, with poorer prognosis. Relative valve load… Click to show full abstract
Paradoxical low-flow severe aortic stenosis (LF AS) despite preserved left ventricular ejection fraction (LVEF) has been shown to be distinct from normal-flow (NF) AS, with poorer prognosis. Relative valve load (RVL) is an echocardiographic index which has been used to estimate the relative
               
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