Specific anatomic region upper extremity
Application evaluate for necrotizing fasciitis or hematoma
Author Elliot K Fishman, MD
Reference Source JHU Protocol
Scanner Used Siemens Sensation 64
KV/Effective mAs/ Rotation time (sec) 120 / 200/ 0.5
Detector Collimation (mm) 0.6
Slice thickness (mm) 0.75mm (thin)
3.0mm (thick)
Pitch 0.55
Kernel B30f medium smooth (thick, ST)
B60f bone (thick)
B20f smooth (thin)
Reconstruction interval 3.0mm (thick)
0.5mm (thin)
Image order (acquisition) Cr-ca
Oral contrast N/A
IV contrast volume and type 120 cc Omnipaque 350 (if needed)
Injection rate Depends on study
CTA 3-3.5 cc/sec
Routine 2.0-2.5 cc/sec
Scan delay (sec) CTA 20-45 sec (depending on zone scanned)
Routine 60 sec
3D technique used VRT & MIP
Comment:
Saline chaser is helpful in these cases.