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 area 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)

0.25 sec

Average Acquisition Time

1-2 sec

Collimation

192 x 0.6mm

Pitch Value

1.9

Scan Direction

Craniocaudal

Comments: CareDose is used to reduce patient dose.

 

Reconstruction Parameters

Soft Tissue

Thin Data

Lung

Slice Thickness

 3mm

 1.5 mm

 3mm

Reconstruction Spacing

 3mm

 1 mm

 3mm

Reconstruction Algorithm

 Br32

  Br32

 Br69

Window Width and Level

 410/10

410/10

 1600/-500

Reconstruction Comments: Additionally, a thick bone data set is also performed using 3 mm x 3 mm slices with a Br69 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

 1-3ml/sec

Oral Contrast

Non-ionic solution

Contrast Volume

 Weight based

Comments:The scan delay is determined in part by the patient’s age, IV access, and injection rate.