
Chapter 7 Utilities
7-43
Auto Calc
In the Setup screen, select the AutoCalc tab. Auto Calc. is a function that is available in Spectral Doppler
Mode. It uses measurement data to perform certain calculations automatically.
NOTE: The specified items appear in Spectral Doppler Mode only when Auto Calc in the soft menu
is clicked.
[Figure 7.27 Setup - AutoCalc.]
AutoCalc. Setting
Check this checkbox to select or deselect item(s) for automatic calculation. You can select up to 6
items.
X Peak Systolic Velocity X Time Averaged Mean Velocity
X End Diastolic Velocity X Diastole / Systole Ratio
X Time Averaged Peak Velocity X Max Pressure Gradient
X Resistive Index X Mean Pressure Gradient
X Pulsatility Index X Velocity Time Integral
X Systole / Diastole Ratio X PeakA
The Peak Systolic Velocity and End Diastolic Velocity for the selected item(s) will not be displayed at all
if they are 0 (zero). The Timed Averaged Mean Velocity will be displayed only when Mean Trace is On.
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