Cardiac output:VRat:Pt:Aorta.root:Qn:US.doppler
cardiac output:vrat:pt:aorta.root:qn:us.doppler
Cardiac output:Volume Rate:To identify measures at a point in time:Aorta.root:Quantitative:Ultrasound.doppler
cardiac output:volume rate:to identify measures at a point in time:aorta.root:quantitative:ultrasound.doppler