Acquisition Phase

Phase Included

Scan Delay

Respiration Phase

Anatomical Coverage

Non Contrast

N/A

N/A

N/A

N/A

Arterial Phase

Yes

40 sec.

Inspiration

2 cm above the umbilicus through the lesser trochanter of the femur

Venous Phase

N/A

N/A

N/A

N/A

Delayed Phase

N/A

N/A

N/A

N/A

Scan Comments: The patient is positioned supine. 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

Coronal

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

Br40 (3)

Window Width and Level

410/10

410/10

410/10

410/10

Reconstruction Comments: 

 

Reconstruction Parameters

Sagittal

Slice Thickness

 3 mm

Reconstruction Spacing

 3 mm

Reconstruction Algorithm

Br40 (3)

Window Width and Level

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

N/A

Contrast Volume

N/A

Comments: Oral contrast is not necessary. A fixed scan delay of 40 seconds is used to ensure adequate vessel opacification.