Acquisition Phase | Phase Included | Scan Delay | Respiration Phase | Anatomical Coverage |
Non Contrast | Yes | N/A | Inspiration | Lung apices through the diaphragm to include both adrenal glands |
Arterial Phase | N/A | N/A | N/A | N/A |
Venous Phase | N/A | N/A | N/A | N/A |
Delayed Phase | N/A | N/A | N/A | N/A |
Scan Comments: This is a low radiation dose protocol that is used for screening purposes. A high resolution flash spiral mode can be used to improve scan speed and limit breathing artifact if the patient is short of breath. All scans are performed using the ALARA principle. |
Technical Parameters | Parameters |
kVp | Care kV (ref. kV 100) |
Effective mAs | Use dose reduction software |
Care Dose Reference mAs | 60 |
Time (Rotation) | 0.5 sec |
Average Acquisition Time | 5-7 sec |
Collimation | 128 x 0.6mm |
Pitch Value | 1.0 |
Scan Direction | Craniocaudal |
Comments: 100 kVp can be used with a reduced dose reduction software quality reference mAs to minimize patient dose. |
Reconstruction Parameters | Soft Tissue | Thin Data | Lung | Hi Res |
Slice Thickness | 3 mm | 0.75 mm | 3 mm | 1 mm |
Reconstruction Spacing | 3 mm | 0.5 mm | 3 mm | 10 mm |
Reconstruction Algorithm | I30f (3) | I26f (3) | I70f (3) | I70f (3) |
Window Width and Level | 410/10 | 410/10 | 1600/-500 | 1600/-500 |
Reconstruction Comments: |
Reconstruction Parameters | Coronal | Sagittal | |
Slice Thickness | 3 mm | 3 mm | |
Reconstruction Spacing | 3 mm | 3 mm | |
Reconstruction Algorithm | I30f (3) | I30f (3) | |
Window Width and Level | 410/10 | 410/10 | |
Reconstruction Comments: |
Contrast Parameters | Parameters |
Contrast Type | N/A |
Contrast Volume | N/A |
Saline Flush | N/A |
Injection Rate | N/A |
Oral Contrast | N/A |
Contrast Volume | N/A |
Comments: IV contrast is not typically necessary for this exam. |