Acquisition Phase

Phase Included

Scan Delay

Respiration Phase

Anatomical Coverage

Non Contrast

 Yes

 N/A

 N/A

Base of skull through apex

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:  Isocentering the patient within the gantry is key to image quality. All scans are performed using the ALARA principle.

 

Technical Parameters

Parameters

kVp

120

Effective mAs

400

Care Dose Reference mAs

N/A

Time (Rotation)

1.0 sec

Average Acquisition Time

29 sec

Collimation

64 x 0.6mm

Pitch Value

0.55

Scan Direction

craniocaudal

Comments: Decreasing the rotation time or increasing the pitch will allow for faster scan times when patient motion is a concern.

 

Reconstruction Parameters

Soft Tissue

Thin Data

Bone

Slice Thickness

5mm

0.75mm

5mm

Reconstruction Spacing

5mm

0.5mm

5mm

Reconstruction Algorithm

H30

H20

H60

Window Width and Level

100 / 30

100 / 30

2500 / 500

Reconstruction Comments: 3D MPR’s can be performed to correct positioning.

 

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 necessary for this exam

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Acquisition Phase

Phase Included

Scan Delay

Respiration Phase

Anatomical Coverage

Non Contrast

 Yes

 N/A

 N/A

Base of skull through apex

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:  Isocentering the patient within the gantry is key to image quality. All scans are performed using the ALARA principle.

 

Technical Parameters

Parameters

kVp

120

Effective mAs

400

Care Dose Reference mAs

N/A

Time (Rotation)

1.0 sec

Average Acquisition Time

29 sec

Collimation

64 x 0.6mm

Pitch Value

0.55

Scan Direction

craniocaudal

Comments: Decreasing the rotation time or increasing the pitch will allow for faster scan times when patient motion is a concern.

 

Reconstruction Parameters

Soft Tissue

Thin Data

Bone

Slice Thickness

5mm

0.75mm

5mm

Reconstruction Spacing

5mm

0.5mm

5mm

Reconstruction Algorithm

H30

H20

H60

Window Width and Level

100 / 30

100 / 30

2500 / 500

Reconstruction Comments: 3D MPR’s can be performed to correct positioning.

 

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 necessary for this exam