Specific anatomic region Abdomen CTA - mesentery
Application Ischemic bowel
Author Elliot K Fishman, MD
Reference Source JHU Protocol
Scanner Used Siemens Sensation 64
KV/Effective mAs/ Rotation time (sec) Arterial
120/ 250 / 0.33
Venous
120/ 250 / 0.5
Detector Collimation (mm) 0.60.6
Slice thickness (mm) 0.750.75
Pitch 0.750.75
Kernel B20B20
Reconstruction interval 0.50.5
Image order (acquisition) Cr-ca
Oral contrast Water (1000 cc)
IV contrast volume and type Omnipaque 350 / 120ml
Injection rate 4.0cc/ sec
Scan delay (sec) 25 sec for arterial, 50 sec for venous
3D technique used VRT / MIP
Comment:
Increase rotation time to utilize higher mAs values if needed for larger patients.