64 Slice MDCT Protocols: Abdomen

Specific anatomic region

 Abdomen/pelvis

Application

 Trauma

Author

Elliot K Fishman, MD

Reference Source

JHU Protocol

Scanner Used

Siemens Sensation 64

KV/Effective mAs/ Rotation time (sec)

 120 / 250/ 0.33

Detector Collimation (mm)

 0.6

Slice thickness (mm)

 3-5mm

Pitch

 0.7

Kernel

 30

Reconstruction interval

 3-5mm

Image order (acquisition)

Cr-ca

Oral contrast

 1000 cc water or Omnipaque-350 in water (100cc of Omnipaque-350 in one gallon of water)

IV contrast volume and type

 100-120 cc Omnipaque 350

Injection rate

 3cc/sec

Scan delay (sec)

 30-60 sec & 5 minutes

3D technique used

 as needed

Comment:

  • Scan delay may be shortened to look for active bleeding.
  • Delayed scans at 5 minutes are needed to exclude contrast extravasation from the kidney or bladder.