Acquisition Phase

Phase Included

Scan Delay

Respiration Phase

Anatomical Coverage

Non Contrast

 Yes

N/A

Inspiration

Entire L-spine to include mid-T12 thru coccyx

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: If IV contrast is indicated, venous phase imaging is performed using a scan delay based on the patient’s age, weight, and body habitus. All scans are performed using the ALARA Principle.

 

Technical Parameters

Parameters

kVp

Care kV (ref. kV 120)

Effective mAs

CareDose

Care Dose Reference mAs

230

Time (Rotation)

1.0

Average Acquisition Time

6-8 sec

Collimation

128 x 0.6mm

Pitch Value

0.8

Scan Direction

Craniocaudal

Comments: CareDose is used to limit patient exposure.

 

Reconstruction Parameters

Soft Tissue

Thin Data

Bone

Slice Thickness

2mm

0.75mm

2mm

Reconstruction Spacing

2mm

0.5mm

2mm

Reconstruction Algorithm

I30s

I70h

I70h

Window Width and Level

350/40

2500/500

2500/500

Reconstruction Comments:  Coronal and sagittal reconstructions are also performed. True axial images are generated when patients are unable to be positioned correctly.

 

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.