Outcome and Impact of Surgery in Paradoxical Low-Flow, Low-Gradient Severe Aortic Stenosis and Preserved Left Ventricular Ejection Fraction: A Cardiac Catheterization Study

Study Questions:

What are the clinical and hemodynamic features of low-flow, low-gradient (LFLG) severe aortic stenosis (AS) with paradoxical preserved left ventricular ejection fraction (LVEF)?