Ejection fraction:VFr:Pt:Heart.ventricle.left:Qn:US.2D.A2C+Calc by single plane area-length method
ejection fraction:vfr:pt:heart.ventricle.left:qn:us.2d.a2c+calc by single plane area-length method
Left ventricular Ejection fraction by US.2D.A2C+Calc by single plane area-length method
left ventricular ejection fraction by us.2d.a2c+calc by single plane area-length method