Scanner User Manual

224
Children
ExtrHR_Child
Indications:
Spiral mode for bone studies, e.g., tumors, post-
traumatic changes, orthopedic indications, etc.
A range of 10 cm will be covered in 27 sec.
* The conversion factor for a 7-year-old child, and a
scan range of the knee of 100 mm was used.
ExtrHR
kV 130
Effective mAs 40
Rotation time 1.0 mm
Slice collimation 1.0 mm
Slice width 1.25 mm
Feed/Rotation 4.0 mm
Pitch Factor 2.0
Increment 0.8 mm
Kernel B70s
CTDIVol 4.31 mGy
Effective dose Male: < 0.01 mSv*
Female: < 0.01 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 224 Friday, April 8, 2005 9:55 AM