Systolic flow/Diastolic flow:VelRto:Pt:^Patient:Qn:US.doppler
systolic flow/diastolic flow:velrto:pt:^patient:qn:us.doppler
Systolic flow/Diastolic flow:Velocity Ratio:To identify measures at a point in time:^Patient:Quantitative:Ultrasound.doppler
systolic flow/diastolic flow:velocity ratio:to identify measures at a point in time:^patient:quantitative:ultrasound.doppler