Stroke volume/Body surface area:ArVol:Pt:Heart.ventricle.left:Qn:US.2D+Calculated by single-plane ellipse method
stroke volume/body surface area:arvol:pt:heart.ventricle.left:qn:us.2d+calculated by single-plane ellipse method
LV SVI US.2D+SP-EL
lv svi us.2d+sp-el