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These protocols are based on a 128 slice dual source Siemens CT. Some factors may need to be adjusted for a different CT.

Guideline identity image

CT - Chest Abdomen and Pelvis (CAP) XCARE

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If query Renal trauma:
Hand injection of 1/3rd contrast 10-15 minutes prior to CT
then remaining 2/3rd contrast for scan

Indication - for older children who are able to hold their breath
- trauma
- tumour
- congenital anomaly
- ? collection
- fungogram
Patient Preparation - nil by mouth 4 hours prior
- oral contrast loscan for inpatients as per oral contrast protocol.
- 20 or 22 gauge cannula in anticubital fossa where possible.
Patient Position - feet first
- supine
- arms raised above head and placed on a pillow
Scan Area - Start at the apices of the lungs
- Finish at the symphysis pubis
- In the case of trauma include the whole ischial spine
kV/Quality Ref mAs/
Rotation time
Care kV on
Care Dose 4D on
Child 100
Adult 120
Child 160
Adult 140
Child 0.28s
Adult 0.5s
Detector Collimation 0.6mm
Slice Thickness 3mm Pitch 0.6
IV Contrast 2mL/kg 300 concentration. Maximum 100 mL dose. 2-3mL/sec Medrad
Care Bolus Nil
Scan Delay Child 45s (Adult 56s)
Reconstructions Child 3mm I30f Mediastinum  (Adult 3mm I40f Mediastinum)
Child 3mm B70f Baby Lung  (Adult 3mm B70 Lung)
Child 0.75mm I30f Mediastinum  (Adult 3mm I40f Abdomen)
Child 0.75mm B70f Baby Lung (Adult 0.75 I40f Mediastinum)
Child 3mm B70f Bone (in case of trauma)
Post Processing 3x3mm    I30f Mediastinum Coronal (Adult 140f)
3x3mm    B70f Baby Lung   Coronal (Adult lung)
3x3mm    I30f Mediastinum Sagittal if required (Child)
3x3mm    B70f Lung Sagittal (Adult)
Saphire2 on all Mediastinum reconstructions 

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  • Date last published: 09 January 2018
  • Document type: Imaging Protocol
  • Services responsible: Paediatric Radiology

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