Contrast protocol

Parameters

Oral contrast

Positive, if possible/tolerable

Rectal contrast

Usually not necessary

IV contrast-iodine conc. (mgl/mL)

300

Volume (mL)

100 - 115

Iodine dose (gI)

46

Flow rate (mL/s)

2.8 - 3.0

Iodine dose rate (gI/s)

1.2

Saline flush-volume (mL)

50

Saline flush-flow rate (mL/s)

3

Scan delay (s)

70 or care bolus

Delayed scans

Not necessary

Scanning Protocol

Parameters

Scout (to program)

Anterior-posterior

Patient position

Supine

Scan range

Diaphragm to symphysis

Scan direction

Cephalocaudal

Tube voltage (KVp)

120

Effective mAs

170 to 200; use CARE Dose 4D

Gantry rotation time (s)

0.5

Slice collimation (mm)

64 ´ 0.6

Pitch

0.9

Table feed (mm/rotation)

17.28

Reconstruction parameters

Slice width (mm)

5

Axial slice width for 3D/MPR (mm)

2

Recon. increment (mm)

5

Axial recon. increment for 3D/MPR (mm)

1

Special views

Coronal

Recon. kernel

B20f/B30f

Recon. field of view

Fit to patient