Pulsatility index:VelRto:Pt:^Patient:Qn:US.doppler
pulsatility index:velrto:pt:^patient:qn:us.doppler
Pulsatility index:Velocity Ratio:To identify measures at a point in time:^Patient:Quantitative:Ultrasound.doppler
pulsatility index:velocity ratio:to identify measures at a point in time:^patient:quantitative:ultrasound.doppler