Cardiac output:VRat:Pt:Heart.ventricle.left:Qn:US.M-mode+Calculated by Teichholz method
cardiac output:vrat:pt:heart.ventricle.left:qn:us.m-mode+calculated by teichholz method
LV Output US.M-mode+Teichholz
lv output us.m-mode+teichholz