Scanner User Manual

Children
209
* The conversion factor for a 7-year-old child, and a
scan range of 150 mm was used.
Hints
• Children with a body weight of more than 55 kg
should be examined with an adult protocol.
• The first and second recon jobs are defined for visu-
alization of the mediastinum and the lungs, respec-
tively.
• Please change the mAs value according to the
weight of the child:
45 – 54 kg 37 mAs.
ThorRoutine 2
nd
reconstruction
kV 130
Effective mAs 26
Rotation time 1.0 sec
Slice
collimation
2.5 mm
Slice width 5.0 mm 5.0 mm
Feed/Rotation 10.0 mm
Pitch Factor 2.0
Increment 5.0 mm 5.0 mm
Kernel B41s B60s
CTDIVol 2.80 mGy
Effective dose Male: 1.46 mSv*
Female: 1.72 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 209 Friday, April 8, 2005 9:55 AM