Mindray TE5, Operator'S Manual

Page: 93 / 323

Image Optimization 5-31

Trace ROI
1. Tap [Trace ROI].
2. Review the image to a desired frame.
3. Move the green circle over the reference image(s) to position the circle.
4. Tap the circle to fix the starting point, and the center of the circle is set as the starting point.
5. Tap the circle to fix the other point. When a suitable ROI has been drawn, confirm the ROI by
double tapping the circle.
The system automatically links the start point to the end point by drawing a line between them.

Ellipse ROI
1. Tap [Ellipse ROI].
2. Review the image to a desired frame.
3. Move the green circle on the reference image. Tap the circle to fix the starting point, and the
center of the circle is set as the starting point.
4. Move the circle to the desired place. Tap the circle to fix the end point, and the center of the
circle is set as the end point.
5. Move the circle to adjust the size of the ROI. To confirm the size of the ROI, tap the circle.

Delete ROI
Tap [Delete All] to clear out all ROIs.
The corresponding traces for the deleted ROIs are erased from the plot.
 Copy ROI
Tap [Copy ROI] to create a new ROI similar to the current or latest added ROI.
Motion Tracking
Tap [Motion Tracking] to enable the function.
This function provides a motion compensated ROI as precise time-intensity information can be
acquired using active tracking. It can enhance the calculation accuracy as reducing the impact of
probe or patient respiratory movement.
Tips: Elliptical ROIs can be positioned in any manner that keeps their center within the image
boundaries. In the case that part of the ROI is outside the image boundary, only data from within
the image boundary is used for calculating the mean intensity value.
X Scale
Select [X Scale] to choose different value, so that the X scale display manner will be changed. This
function can be used to track detailed tissue information.
Export/Save Trace Data
1. Tap [Export].
2. Select the drive and enter the file name in the displayed window.
3. Select [OK] to save the data and return to the QA Analysis screen.

All displayed ROI traces are saved in the exported file.

The parameters are included in the trace file if the user has fixed a ROI.
 Only data from the user selected image range is included in the exported trace file.