Height:Len:Pt:Region of interest.XXX:Qn:US.M-mode
height:len:pt:region of interest.xxx:qn:us.m-mode
Height:Length:To identify measures at a point in time:Region of interest.Not specified:Quantitative:Ultrasound.M-mode
height:length:to identify measures at a point in time:region of interest.not specified:quantitative:ultrasound.m-mode