Cardiac output.4 chamber:VRat:Pt:Heart.ventricle.left:Qn:US.2D.mod.single-plane.calculated
cardiac output.4 chamber:vrat:pt:heart.ventricle.left:qn:us.2d.mod.single-plane.calculated
Left ventricular Cardiac output.4 chamber by US 2D modified single-plane calculated
left ventricular cardiac output.4 chamber by us 2d modified single-plane calculated