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

 90 sec

 inspiration

 Abdomen to include the liver through the pubic symphysis

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

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: Effective mAs is adjusted based on a patient’s body habitus.  In addition, dose reduction software 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 recons are performed.

Contrast Parameters

Parameters

Contrast Type

nonionic

Contrast Volume

120cc

Saline Flush

N/A

Injection Rate

3ml/sec

Oral Contrast

H2O

Contrast Volume

1000ml

Comments: The injection is performed using a fixed delay of 90 seconds to fully opacify the Inferior Vena Cava.

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

 90 sec

 inspiration

 Abdomen to include the liver through the pubic symphysis

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

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: Effective mAs is adjusted based on a patient’s body habitus.  In addition, dose reduction software 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 recons are performed.

Contrast Parameters

Parameters

Contrast Type

nonionic

Contrast Volume

120cc

Saline Flush

N/A

Injection Rate

3ml/sec

Oral Contrast

H2O

Contrast Volume

1000ml

Comments: The injection is performed using a fixed delay of 90 seconds to fully opacify the Inferior Vena Cava.