Cardiac output.2 chamber:VRat:Pt:Heart.ventricle.left:Qn:US.2D.mod.single-plane.calculated
cardiac output.2 chamber:vrat:pt:heart.ventricle.left:qn:us.2d.mod.single-plane.calculated
LV Output.2CH US.2D.MOD-SP
lv output.2ch us.2d.mod-sp