Specific Anatomic Region

C-Spine

Application

Trauma

Author

Elliot K. Fishman, MD

Reference Source

JHU Protocol

Scanner Used

Siemens Sensation 64

KV/Effective mAs/Rotation time (sec)

120/330/1.0

Detector Collimation (mm)

0.6

Slice Thickness (mm)

3 or 7.5

Pitch

0.9

Kernel

70 bone/30 soft tissue

Reconstruction Interval

3 or .5

Image Order (acquisition)

Cr-ca

Oral Contrast

N/A

IV contrast volume and type

In select cases 100 cc of Omnipaque-350

Injection Rate

3-4 cc/sec

Scan delay (sec)

15-18 sec for carotids/vertebrates

3D technique used

VRT and MIP

Comment:The thin sections (.75 x .5 mm) is ideal for trauma where CT replaces plain films and a volume display (coronal, saggital, and 3D rendering) is used, with suspected vascular injury (i.e. GSW or stab wound) a CTA can also be done as a single exam.