Acquisition Phase | Phase Included | Scan Delay | Respiration Phase | Anatomical Coverage |
Non Contrast | N/A | N/A | N/A | N/A |
Arterial Phase | Yes | bolus trigger | inspiration | Abdomen to include dome of liver through the pubic symphasis |
Venous Phase | N/A | N/A | N/A | N/A |
Delayed Phase | N/A | N/A | N/A | N/A |
Scan Comments: In select cases a 60 -90 second delayed scan may be useful if aortic injury is detected on the arterial phase images. All scans are performed using the ALARA principle. All Scans are performed using the ALARA principle. | ||||
Technical Parameters | Parameters |
kVp | 120 |
Effective mAs | CareDose |
Care Dose Reference mAs | 290 |
Time (Rotation) | 0.5 sec |
Average Acquisition Time | 5 -7sec |
Collimation | 128 x 0.6mm |
Pitch Value | 0.8 |
Scan Direction | craniocaudal |
Comments: CareDose 4D is used to minimize patient exposure. | |
Reconstruction Parameters | Soft Tissue | Thin Data | Lung |
Slice Thickness | 3mm | 0.75mm | 3mm |
Reconstruction Spacing | 3mm | 0.5mm | 3mm |
Reconstruction Algorithm | B30F | B20F | B80F |
Window Width and Level | 410/10 | 410/10 | 1600/-500 |
Reconstruction Comments: Coronal and sagittal image reconstructions are also performed. | |||
Contrast Parameters | Parameters |
Contrast Type | Non ionic |
Contrast Volume | 120ml |
Saline Flush | N/A |
Injection Rate | 4-5ml/sec |
Oral Contrast | H2O |
Contrast Volume | 1000ml |
Comments: Bolus Tracking is performed off the abdominal aorta using a 230 HU trigger setting. | |
