Acquisition Phase

Phase Included

Scan Delay

Respiration Phase

Anatomical Coverage

Non Contrast

N/A

N/A

N/A

N/A

Arterial Phase

Yes

30 sec.

Inspiration

Diaphragm through iliac artery bifurcation

Venous Phase

Yes

70 sec.

Inspiration

Diaphragm through pubic symphysis

Delayed Phase

Yes

100 sec.

Inspiration

Abdomen to include the entire liver

Scan Comments: All scans are performed using the ALARA principle. 3D post-processing is performed with this protocol.

 

Technical Parameters

Parameters

kVp

Care kV (ref. kV 120)

Effective mAs

CareDose

Quality Reference mAs

200

Time (Rotation)

0.5 sec.

Average Acquisition Time

5-7 sec.

Collimation

128 x 0.6 mm

Pitch Value

0.6

Scan Direction

Craniocaudal

Comments:CareDose is used to reduce patient dose.

 

Reconstruction Parameters

Soft Tissue

Thin Data

Thin Data

Lung

Slice Thickness

 3 mm

0.75 mm

 0.75 mm

3 mm

Reconstruction Spacing

 3 mm

0.5 mm

 0.5 mm

3 mm

Reconstruction Algorithm

Br40 (3)

Br36 (3)

Br36

Bl57 (3)

Window Width and Level

410/10

410/10

410/10

1600/-500

Reconstruction Comments: 

 

Reconstruction Parameters

Coronal

Sagittal

Slice Thickness

 3 mm

3 mm

Reconstruction Spacing

 3 mm

3 mm

Reconstruction Algorithm

Br40 (3)

Br40 (3)

Window Width and Level

410/10

410/10

Reconstruction Comments: 

 

Contrast Parameters

Parameters

Contrast Type

Non-ionic

Contrast Volume

120 mL

Saline Flush

N/A

Injection Rate

4-5 mL/sec.

Oral Contrast

H2O

Contrast Volume

1000 mL

Comments: Bolus tracking is performed off the abdominal aorta using a 230 HU trigger setting.