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
LV Output 4CH US.2D.MOD-SP
lv output 4ch us.2d.mod-sp