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

Region 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

120

Effective mAs

See chart

Care Dose Reference mAs

N/A

Time (Rotation)

1.0

Average Acquisition Time

6-8 sec

Collimation

64 x 0.6mm

Pitch Value

0.8

Scan Direction

Craniocaudal

Comments: The effective mAs is adjusted using guidelines based upon the patient’s weight.

 

Reconstruction Parameters

Soft Tissue

Thin Data

Bone

Slice Thickness

3mm

0.75mm

3mm

Reconstruction Spacing

3mm

0.5mm

3mm

Reconstruction Algorithm

B30s

B60s

B70s

Window Width and Level

350 / 40

2500 / 500

 2500 / 500

Reconstruction Comments:  Coronal and sagittal reconstructions are performed. True axial & coronal MPR 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 typically not necessary.

 

The effective mAs for a pediatric spine CT is calculated using the following chart.

Weight (kg)

Effective mAs

 <15

 50-70 mAs

 15-24

 65-80 mAs

 25-34

 80-95 mAs

 35-44

 95-115 mAs

45<

115-150mAs

 

-->

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

Region 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

120

Effective mAs

See chart

Care Dose Reference mAs

N/A

Time (Rotation)

1.0

Average Acquisition Time

6-8 sec

Collimation

64 x 0.6mm

Pitch Value

0.8

Scan Direction

Craniocaudal

Comments: The effective mAs is adjusted using guidelines based upon the patient’s weight.

 

Reconstruction Parameters

Soft Tissue

Thin Data

Bone

Slice Thickness

3mm

0.75mm

3mm

Reconstruction Spacing

3mm

0.5mm

3mm

Reconstruction Algorithm

B30s

B60s

B70s

Window Width and Level

350 / 40

2500 / 500

 2500 / 500

Reconstruction Comments:  Coronal and sagittal reconstructions are performed. True axial & coronal MPR 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 typically not necessary.

 

The effective mAs for a pediatric spine CT is calculated using the following chart.

Weight (kg)

Effective mAs

 <15

 50-70 mAs

 15-24

 65-80 mAs

 25-34

 80-95 mAs

 35-44

 95-115 mAs

45<

115-150mAs