Acquire A Heart Localizer Or Calcium Score Scan (Optional, But Recommended) - GE Revolution CT User Manual

11. Press Move to Scan.
12. Deliver the breathing and table movement instructions.
13. Press Start Scan.
14. Repeat steps 11–13 to acquire an orthogonal scout scan.
15. Proceed to

2.4 Acquire a heart localizer or calcium score scan (optional, but recommended)

Use this procedure to acquire Axial images that can be used to determine the start and end
locations for the heart scan, and to determine the location for the contrast bolus tracking scan.
Scan Settings window, click [Continue].
1. From the
2. Choose one of the following options:
○
Option 1: Gated localizer for calcium scoring
1. Make sure the scan type is
2. For calcium scoring recommended scan settings, see
modes
3. Adjust the position of the Graphic Rx region to fully cover the heart.
○
Option 2: Ungated localizer
1. Maker sure the scan type is
2. Recommended settings: 120 kV, 0.5 seconds, 60 mA (100 mA for large patients),
1.375:1 pitch, 55 table speed, 40 mm detector coverage.
3. Position the localizer lines to cover just the heart, approximately from the carina to 2
cm below the apex of the heart.
3. Evaluate the ECG waveform for heart rate stability.
4. Click [Confirm Settings].
Chapter 13 Cardiac
Section 4.
.
Illustration 6: Heart Localizer
Cardiac .
Helical .
Revolution CT User Manual
Direction 5480385-1EN, Revision 1
Section 3.4, Cardiac scan
339