
Resting Aortic Valve Area at Normal Transaortic Flow Rate Reflects True Valve Area in Suspected Low-Gradient Severe Aortic Stenosis
Keywords: LVEF، کسر تخلیه بطن چپ; aortic stenosis; flow rate; stress echocardiographyAS, aortic stenosis; AVA, aortic valve area; EF, ejection fraction; LFLGAS, low-flow, low-gradient aortic stenosis; LV, left ventricle; LVEF, left ventricular ejection fraction; MG, mean gradient; PPV, po