Acquisition Phase

Phase Included

Scan Delay

Respiration Phase

Anatomical Coverage

Non Contrast

 N/A

 N/A

N/A

N/A

Arterial Phase

 Yes

 bolus trigger

 inspiration

 Abdomen to include dome of liver through iliac artery bifurcation.

Venous Phase

  Yes

 60 sec

 inspiration

 Abdomen to include dome of liver through iliac artery bifurcation.

Delayed Phase

  N/A

   N/A

  N/A

  N/A

Scan Comments: If both an abdomen and pelvis is ordered the pelvis is imaged during the venous phase. All scans are performed using the ALARA principle.

 

Technical Parameters

Parameters

kVp

120

Effective mAs

300

Time (Rotation)

0.5 sec

Average Acquisition Time

10-12 sec

Collimation

64 x 0.6mm

Pitch Value

0.8

Scan Direction

craniocaudal

Comments: The Effective mAs is adjusted based on a patient’s body habitus.  In addition, CareDose can be used to maintain image quality while lowering patient dose.

 

Reconstruction Parameters

Soft Tissue

Thin Data

Lung

Slice Thickness

 3mm

 0.75mm

 3mm

Reconstruction Spacing

 3mm

 0.5mm

 3mm

Reconstruction Algorithm

 B30F

 B20F

 B80F

Window Width and Level

 410/10

410/10

 1600/-500

Reconstruction Comments: Coronal and sagittal image reconstructions are also performed.

 

Contrast Parameters

Parameters

Contrast Type

 Non ionic

Contrast Volume

 120ml

Saline Flush

 N/A

Injection Rate

 3-5ml/sec

Oral Contrast

 H2O

Contrast Volume

 1000ml

Comments: Bolus triggering is used with a trigger of 200 HU. Adequate distention of the stomach with H2O is key to successfully visualizing suspected masses.

 

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Acquisition Phase

Phase Included

Scan Delay

Respiration Phase

Anatomical Coverage

Non Contrast

 N/A

 N/A

N/A

N/A

Arterial Phase

 Yes

 bolus trigger

 inspiration

 Abdomen to include dome of liver through iliac artery bifurcation.

Venous Phase

  Yes

 60 sec

 inspiration

 Abdomen to include dome of liver through iliac artery bifurcation.

Delayed Phase

  N/A

   N/A

  N/A

  N/A

Scan Comments: If both an abdomen and pelvis is ordered the pelvis is imaged during the venous phase. All scans are performed using the ALARA principle.

 

Technical Parameters

Parameters

kVp

120

Effective mAs

300

Time (Rotation)

0.5 sec

Average Acquisition Time

10-12 sec

Collimation

64 x 0.6mm

Pitch Value

0.8

Scan Direction

craniocaudal

Comments: The Effective mAs is adjusted based on a patient’s body habitus.  In addition, CareDose can be used to maintain image quality while lowering patient dose.

 

Reconstruction Parameters

Soft Tissue

Thin Data

Lung

Slice Thickness

 3mm

 0.75mm

 3mm

Reconstruction Spacing

 3mm

 0.5mm

 3mm

Reconstruction Algorithm

 B30F

 B20F

 B80F

Window Width and Level

 410/10

410/10

 1600/-500

Reconstruction Comments: Coronal and sagittal image reconstructions are also performed.

 

Contrast Parameters

Parameters

Contrast Type

 Non ionic

Contrast Volume

 120ml

Saline Flush

 N/A

Injection Rate

 3-5ml/sec

Oral Contrast

 H2O

Contrast Volume

 1000ml

Comments: Bolus triggering is used with a trigger of 200 HU. Adequate distention of the stomach with H2O is key to successfully visualizing suspected masses.