GE Vivid i

Measurement and Analysis
128 Vivid i User’s Manual
2378958-100 Rev. 02
When doing volume calculation from one or two distance
measurements, make one or two distance measurements
and press
MENU or CLEAR.
The distance measurement(s) and the volume calculation
are displayed in the Measurement result table.
A/B Ratio
In B-Mode, A/B Ratio can be measured by diameter or area.
A/B Ratio by diameter
1. Press
MEASURE on the control panel.
2. Open A/B Ratio in the Measurement menu.
3. Select between:
• Ratio (Diam)
• Ratio (Area)
4. Make the corresponding two measurements.
The measurements and the corresponding A/B Ratio are
displayed in the Measurement result table.
M-Mode Measurements
The following instructions assume that you first scan the patient
and press
FREEZE.
%Stenosis
1. Press MEASURE on the control panel.
2. Select % Stenosis in the Measurement menu.
3. Make a distance measurement of the inner area of the
blood vessel.
4. Make a distance measurement of the outer area of the
blood vessel.
The distance measurements and the % Stenosis are
displayed in the Measurement result table.
A/B Ratio
In M-Mode, A/B Ratio can be measured by diameter, time or
velocity.
1. Press
MEASURE on the control panel.
2. Open A/B Ratio in the Measurement menu.
3. Select between: