CereTom protocols used for performing the ACR CT accreditation tests for dose and image quality
| Head without Contrast | Head with Contrast | CT Angiography | CT Perfusion | |
|---|---|---|---|---|
| Kilovolt | 140 | 120 | 120 | 100 |
| Milliampere | 7 | 7 | 7 | 6 |
| Time/rotation (sec) | 2 | 2 | 1 | 1 |
| Milliampere second | 14 | 14 | 7 | 6 |
| Reconstruction algorithm | Smooth | Smooth | Standard | Standard |
| Axial/helical | Axial | Axial | Helical | Axial |
| Z-axis collimation | 1.25 | 1.25 | 1.25 | 1.25 |
| No. of channels | 8 | 8 | 8 | 8 |
| Table increment or table speed | 10 | 10 | 10 | N/A |
| Effective pitch | 1 | 1 | 1 | N/A |
| Reconstructed scan width | 5 | 5 | 1.25 | 10 |
Note:—N/A indicates not applicable; ACR, American College of Radiology.