8 - 4 Operator’s Manual
8 Elastography
The current elastic modulus or the shear wave velocity (including the unit) appears on the top of the
color bar.
Scale
Used to change the maximum scale to make the map related to the color at the top of the bar.
Optimize the elasto modulus, or mirror the elasto wave velocity to the map.
Parts which exceed maximum elasto modulus or shear wave velocity will be mapped onto the color
on top of the color bar at top-left part of the image. Thus if the color in the ROI is mainly the color
on top of the color bar, you need to increase the metric range.
Opacity
Used to adjust the opacity feature of the Elasto image.
Map
Used to adjust the color map to achieve the switch between the gray map and the color map.
ROI Adjustment
This feature is used to adjust the ROI position and scale of the lesion detected in STQ imaging.
The “+” sign indicates the ROI center, and the Depth value of the ROI center is displayed at the
bottom right corner of the screen.
Display Format
Used to adjust the display format of ultrasound image and the Elasto image, and return to the
previous state.
More accurate result is obtained based on the actual situation.
HQElasto
Turn on high-quality scanning mode to optimize penetration.
When the feature is activated, the system turns into single-frame scanning mode. Pressing
<Update> acquires one frame image of B and Elasto.
RLB Map
Used to help the user judge the region where it is suitable for elasto measurements based on the
distinctive colors in elasto image in quality map.
The RLB Index shows the signal reliability of the STE inside the ROI, and it helps the user judge
the effectiveness of the current elasto measurement.
The higher the RLB Index is, the more reliability the signal becomes; vice versa.
There are three colors showing the RLB Index: Red (low reliability), Yellow (medium reliability)
and White (high reliability).
The color in High area is suitable for the imaging of shear wave elastography.
The color in Low area is not suitable for the imaging of shear wave elastography (liquid, gas, bone,
etc). It can be used as a tool to detect the tissue or the lesion.
RLB View
This feature supports the less qualified region or the region that fails to receive shear waves of the
gas or liquid to be displayed in hollow.
After the RLB View function is enabled, the less qualified region is displayed in hollow. The
hollow region can be seen in B images. The hollow region corresponds to the purple region in the
reliability image.
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