Ejection fraction:VFr:Pt:Heart.ventricle.left:Qn:US.2D+Calculated by single-plane ellipse method
ejection fraction:vfr:pt:heart.ventricle.left:qn:us.2d+calculated by single-plane ellipse method
Left ventricular Ejection fraction by US.2D+Calculated by single-plane ellipse method
left ventricular ejection fraction by us.2d+calculated by single-plane ellipse method