GE Revolution CT - Page 151

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Revolution CT User Manual

Direction 5480385-1EN, Revision 1

Chapter 7 Dose Check 151

Main Page

Default Chapter5
- Table of Contents5
Chapter 1 USER INFORMATION37
- Introduction37
- User Documentation38
- GE Approved Accessories39
Chapter 2 REGULATORY INFORMATION41
- Applicable Regulations and Standards41
- Product Description43
- Product Manufacturer44
Chapter 3 SAFETY45
- General Safety Guidelines45
- Safety Conventions47
- Symbols and Warning Labels48
  - Symbols48
  - Equipment Warning Labels52
- Radiation Safety59
  - X-Ray Protection59
  - General Radiation Safety60
  - Scans Acquired at the same Tomographic Plane61
  - Geometric Dose Efficiency61
  - Backup Timer Indicator62
  - Starting Scans from the Scan Room62
  - Ctdi62
- Implantable Device Safety64
  - Recommendations Prior to Scanning64
  - Recommendations after Scanning64
- Electrical Safety65
- Electromagnetic Compatibility Safety68
- Fire Safety69
- Mechanical Safety70
  - General Mechanical Safety70
  - Patient Positioning70
  - Gantry Air Inlets73
- Emergency Devices and Emergency Egress74
  - Emergency Devices74
    - Emergency Stop74
    - System Emergency off Buttons Using Main Disconnect Control75
  - Emergency Patient Care During X-Ray on76
  - Emergency Egress76
- Laser Safety77
- Reconstructed Image Orientation79
- Data Safety81
- Application Specific Safety Topics83
  - Axial and Helical Scanning83
  - Cardiac Imaging83
  - CT Integrated Cardiac Module85
  - Advanced Application Safety85
  - Measurements85
  - Segment Tools86
  - Filming and Saving Images86
- Application Software Safety88
- Accuracy of Measurements89
  - Measure Distance for Axial, Helical, and Cine Images89
  - Measure Distance for Scout Images89
  - Measure Angle90
  - Voxel Dimensions91
  - Roi91
  - CT Number91
    - CT Number Accuracy92
    - CT Number Mean and Standard Deviation92
  - Range, Precision and Accuracy of Displayed Values92
- Accessory Safety93
  - Monitor Safety93
  - Pole Safety93
  - Systems with Metal-Free Cradles and Accessories94
  - Power Injector Safety94
  - Phantom Safety94
- Maintenance and Cleaning95
- Hazardous Substances96
- System Performance97
Chapter 4 READ ME FIRST99
- About this Manual99
- Scan Monitor100
- Image Monitor108
- User Interface Conventions116
- System Troubleshooting Tips119
Chapter 5 PEDIATRICS and SMALL PATIENTS121
- Overview121
- Radiation Exposure122
- Pediatric and Small Patient Scans126
Chapter 6 LARGE PATIENT133
- Overview133
- Large Patients134
Chapter 7 DOSE CHECK137
- Overview137
- Set the Dose Check Administrator Role139
- Set the Dose Check AV Exceeding User Role141
- Configure the System for Dose Check143
- Configure the AV by Age Threshold145
- Build Protocols with Access Controls147
- Build Protocols with Notification Values148
- Build Protocols with Notification Values by Factor149
- Scan Using Alert Value Checking150
- Scan Using Notification Value Checking152
- Use the Dose Audit Tool154
Chapter 8 EQUIPMENT157
- Overview157
- Scanner Desktop158
- Gantry165
- Table178
- Hardware Components183
- Power Distribution Unit185
- System Cabinet186
- Ray Tube and Generator187
  - X-Ray Tube187
  - Generator Serial Load Rating187
- Purchasable Options189
Chapter 9 STARTUP and SHUTDOWN191
- Overview191
- System Startup and Shutdown192
- Daily Quality Assurance198
Chapter 10 PATIENT SCHEDULE203
- Overview203
- Patient Schedule204
Chapter 11 SCAN217
- Overview217
- Scan Theory218
- Exam Workflow245
- Scan Parameters265
- Timing Parameters287
  - Timing Parameters Collection287
  - Timing Parameters Workflow287
    - Set Prep Delay Time287
    - Set Inter Scan Delay Time288
- Recon Parameters289
- Auto Voice301
- Additional Scan Features303
Chapter 12 SCAN APPLICATIONS307
- Overview307
- Asir-V308
- Smartprep312
- Enhanced Xtream Injector326
Chapter 13 CARDIAC331
- Overview331
- Cardiac Workflow332
- Cardiac Scan Parameters345
- Cardiac Modulated Ma355
- Auto Gating356
- Cardiac Recon362
- Snapshot Freeze367
Chapter 14 VIEW IMAGES371
- Overview371
- Image Display374
- Image Tools386
- Measurements394
- Additional Image Tools398
- User Preferences406
  - Set Annotation Preferences406
  - Set Series Binding Preferences409
Chapter 15 DISPLAY APPLICATIONS411
- Overview411
- Add/Subtract412
- Direct Multi Planar Reformat (DMPR)419
  - Reformat Tools Panel420
  - Reformat Planning428
- Exam Split434
Chapter 16 REFORMAT441
- Overview441
- Reformat443
- Display448
- View Types464
- Volume Render467
- Segment482
- Batch Film492
Chapter 17 DATA MANAGEMENT503
- Overview503
- File Manager504
- Job Management Screen519
- Archive/Network522
- CD, DVD and USB Interchange531
- Data Export543
- Patient Data555
- Scan Data Manager561
- Recon Management565
- Reconstruction and Image Processing Task List567
Chapter 18 PROTOCOLS575
- Overview575
- Protocols576
- Auto Voice Management584
- Kv Assist Settings588
- Auto Gating Configuration590
- Dose Reporting in Protocol Management592
Chapter 19 ACCESS CONTROLS593
- Overview593
- Access Controls594
Chapter 20 SYSTEM MANAGEMENT613
- Overview613
- System Tools614
- System Preferences617
- System Troubleshooting632
Chapter 21 GENERAL INFORMATION635
- Introduction635
- CT Operation Theory636
- General Information639
  - Gantry Coordinate System639
  - Patient Scanning640
- Network641
- System Operational Modes648
- Image Display653
- Scout Based Attenuation Characterization659
Appendix A OPERATOR MESSAGES665
- Operator Messages665
Appendix B ABBREVIATIONS675
- Abbreviations675
Appendix C UNITS of MEASURE677
- Units of Measure677
Appendix D LEXICON681
- Lexicon681
Appendix E DOSE INFORMATION REFERENCE689
- Dose Information Reference689

GE Revolution CT - Page 151

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