Generic Measurements
LOGIQ 7 Basic User Manual 7-81
Direction 2392206-100 Rev. 1
M-Mode Measurements
Figure 7-36. M-Mode Generic Study
% Stenosis
See ‘% Stenosis’ for more information.
A/B Ratio
In M-Mode you can measure A/B ratio by diameter, time, or
velocity.
Diameter See ‘Diameter’ for more information.
Time To calculate A/B ratio by time:
1. Select A/B.
2. Select ratio(Time).
The system displays an active caliper.
3. To position the caliper at the A point, move the Trackball.
4. To fix the measure point, press Set.
The system displays a second active caliper.
5. To position the second caliper at the B point, move the
Trackball.
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