GE Revolution CT User Manual

4 Measurements
Illustration 14: Measure/Annotate tools
4.1 Measure a density reading
Use these procedures to obtain information on areas of anatomy and pathology.
1.
From the viewport control panel, click the arrow next to
Measure/Annotate .
2.
Select the [Rectangular ROI] , [Ellipse ROI] or [Draw free hand ROI] .
NOTE:
The Ellipse ROI button is also available from the hover menu bar which appears
when you hover your cursor over a viewport.
3. Position the cursor on the image and click to deposit the insertion point.
○
For Draw free hand ROI, move the solid blue box to the start point. Press and hold
<Shift>, then click and drag to define the area for the trace.
○
For Rectangular ROI or Ellipse ROI, click and drag on the small box in the upper-right
corner of the ROI to resize or click the ROI number and drag to a new location.
Revolution CT User Manual
Direction 5480385-1EN, Revision 1
394 4 Measurements

GE Revolution CT Specifications

General

Brand	GE
Model	Revolution CT
Category	Medical Equipment
Language	English