Acquisition Phase | Phase Included | Scan Delay | Respiration Phase | Anatomical Coverage |
Non Contrast | N/A | N/A | N/A | N/A |
Arterial Phase | N/A | N/A | N/A | N/A |
Venous Phase | Yes | Patient dependent | Inspiration | Abdomen to include the specific region of interest |
Delayed Phase | N/A | N/A | N/A | N/A |
Scan Comments: All scans are performed using the ALARA principle. |
Technical Parameters | Parameters |
kVp | Care kV (ref. kV 120) |
Effective mAs | CareDose |
Care Dose Reference mAs | 150 |
Time (Rotation) | 0.5 sec |
Average Acquisition Time | 2-3 sec |
Collimation | 128 x 0.6mm |
Pitch Value | 1.4 |
Scan Direction | Craniocaudal |
Comments: CareDose is used to limit patient exposure. |
Reconstruction Parameters | Soft Tissue | Thin Data | Lung |
Slice Thickness | 3mm | 1.5mm | 3mm |
Reconstruction Spacing | 3mm | 1.0mm | 3mm |
Reconstruction Algorithm | I30f | I30f | I70f |
Window Width and Level | 410/10 | 410/10 | 1600/-500 |
Reconstruction Comments: Additionally, a thick bone data set is also performed using 3.0mm x 3.0mm slices with an I70f algorithm and a window width and level of 1776/176. Coronal and sagittal soft tissue image reconstructions are also performed. |
Contrast Parameters | Parameters |
Contrast Type | Non ionic |
Contrast Volume | Weight based |
Saline Flush | N/A |
Injection Rate | 1.5-3ml/sec |
Oral Contrast | Non ionic |
Contrast Volume | Weight based |
Comments: The scan delay is determined both in part by patient age, IV access, and injection rate. |