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

60 sec

Inspiration

Aortic arch through Circle of Willis

Delayed Phase

N/A

N/A

N/A

N/A

Scan Comments: All scans are performed using the ALARA principle.

 

Technical Parameters

Parameters

kVp

120

Effective mAs

CareDose

Quality Reference mAs

185

Time (Rotation)

1.0 sec

Average Acquisition Time

10-12 sec

Collimation

128 x 0.6mm

Pitch Value

0.8

Scan Direction

Caudocranial

Comments: CareDose is used to reduce patient dose and improve image quality, specifically in the shoulder region.

 

Reconstruction Parameters

Soft Tissue

Bone

Thin Data

Coronal

Slice Thickness

 3 mm

3 mm

 0.75 mm

3 mm

Reconstruction Spacing

 3 mm

3 mm

 0.5 mm

3 mm

Reconstruction Algorithm

B30s

B70s

B20s

B30s

Window Width and Level

350/50

2500/500

350/50

350/50

Reconstruction Comments: 

 

Reconstruction Parameters

Sagittal

Slice Thickness

 3 mm

Reconstruction Spacing

 3 mm

Reconstruction Algorithm

B30s

Window Width and Level

350/50

Reconstruction Comments: 

 

Contrast Parameters

Parameters

Contrast Type

Non-ionic

Contrast Volume

80-100 mL

Saline Flush

N/A

Injection Rate

2-3 mL/sec

Oral Contrast

N/A

Contrast Volume

N/A

Comments: Preferably, we will inject the right arm to limit contrast artifact.