Scanner User Manual

226
Children
HeadAngio
Indications:
Spiral mode for head CT angiography, e.g., cerebral
vascular abnormalities, tumors etc.
A range of 6 cm will be covered in 32 sec.
* The conversion factor for a 7-year-old child, and a
scan range of 60 mm was used.
HeadAngio 2
nd
reconstruction
kV 80
Effective mAs 81
Rotation time 1.0 sec
Slice
collimation
1.0 mm
Slice width 2.0 mm 1.25 mm
Feed/Rotation 2.0 mm
Pitch Factor 1.0
Increment 2.0 mm 0.8 mm
Kernel C30s C30s
CTDIVol 5.24 mGy
Effective dose Male:
0.12
mSv*
Female:
0.13 mSv*
Contrast medium IV injection
Start delay exam dependent
Flow rate dependent upon needle size/
Access site
Total amount 1 – 2 ml per kg of body weight
C2-025.630.01.01.02_APPLICATIONGUIDE_SPIRIT.book Page 226 Friday, April 8, 2005 9:55 AM