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Chapter 5 Measurements and Calculations
NOTE: If the measurement item is OB or Vascular, you can select the measurement item in
doppler spectrum.
You can select this from Measure Setup > OB > General > OB Doppler Results or Measure setup >
Vascular > Doppler Results.
Tips!
Taking measurements via Auto Calc
You can use Auto Calc to take measurements on predetermined item(s).
Items measured are as follows. For information on setting measurement item(s), please refer to “Auto
Calc” in Chapter 7 ‘Utilities.’
X
Peak Systolic Velocity (PSV)
X
Time Averaged Mean Velocity (TAMV)
X
End Diastolic Velocity (EDV)
X
Diastole / Systole Ratio (D/S)
X
Time Averaged Peak Velocity (TAPV)
X
Max Pressure Gradient (PGmax)
X
Resistive Index (RI)
X
Mean Pressure Gradient (PGmean)
X
Pulsatility Index (PI)
X
Velocity Time Integral (VTI)
X
Systole / Diastole Ratio (S/D)
X
PeakA
Volume Flow Measurement
Select Volume Flow in the measurement menu.
Volume Flow allows you to measure and calculate an area or distance. For information on distance or
area measurements, please refer to “Basic Measurements.” The TAMV (Time Avg. Mean Velocity) value
is automatically measured.
■
Vesl. Area (Vessel Area)
Measure the area of a blood vessel and calculate TAMV and Volume Flow.
■
Vesl. Dist. (Vessel Distance)
Measure the width of a blood vessel and calculate TAMV and Volume Flow.
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