Specific Anatomic Region

Aorta (abdomen)

Application

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)

5 and .75

Pitch

0.7

Kernel

30

Reconstruction Interval

5 and .5

Image Order (acquisition)

Cr-ca

Oral Contrast

none

IV contrast volume and type

Injection Rate

3-4 cc/sec

Scan delay (sec)

3D technique used

VRT and MIP

Comment:Pre-set timing works well in these cases. In select cases, delayed scan (60-90 sec) may be useful if the arterial phase detects an aortic injury.