GE Revolution CT - Page 20

2.1.4 IV setup and contrast ...............................................................................................333
2.2 Attach ECG electrodes to the patient................................................................................. 333
2.2.1 Adjust ECG Trigger Device Settings..........................................................................337
2.2.1.1 User Console.................................................................................................... 337
2.2.1.2 Gantry Display.................................................................................................. 337
2.2.1.3 External ECG Trigger Device........................................................................... 337
2.2.2 Check Electrode Impedance......................................................................................337
2.2.2.1 Initiating Electrode Impedance Check.............................................................. 338
2.2.2.2 Electrode Impedance Check Results................................................................338
2.3 Acquire a scout scan ........................................................................................................ 338
2.4 Acquire a heart localizer or calcium score scan (optional, but recommended) ................ 339
2.5 Acquire a manual bolus timing scan .................................................................................340
2.6 Acquire a contrast enhanced cardiac scan .......................................................................342
3 Cardiac Scan Parameters........................................................................................................... 345
3.1 Scan Type.......................................................................................................................... 345
3.2 Primary Recon....................................................................................................................345
3.3 Secondary Recon............................................................................................................... 345
3.4 Cardiac scan modes .........................................................................................................345
3.4.1 Anatomy Selection.....................................................................................................346
3.4.1.1 Considerations..................................................................................................346
3.4.1.2 Graphic Prescription (Graphic Rx)....................................................................346
3.4.2 Scan Overlap.............................................................................................................347
3.4.3 Single Table Position.................................................................................................347
3.5 Set the ECG and Gating settings...................................................................................... 347
3.5.1 Auto Gating................................................................................................................348
3.5.1.1 Gating Based On.............................................................................................. 349
3.5.1.2 Acquisition Window Part 1................................................................................ 349
3.5.1.3 Acquisition Window Part 2................................................................................ 350
3.5.1.4 Acquisition Window Part 3................................................................................ 350
3.5.1.5 HR Variation Allowance.................................................................................... 351
3.5.1.6 Arrhythmia Retrigger.........................................................................................351
Revolution CT User Manual
Direction 5480385-1EN, Revision 1
20 Table of Contents