Operating instructions

582
Children
ExtrRoutineUHR
Indications:
Spiral mode for Ultra High Resolution bone studies,
e.g. tumors, post-traumatic changes, orthopedic indi-
cations, etc.
Note: UHR mode has a maximum FoV of 300 mm. It
ismandatory to position the area of interest in the cen-
ter of the scan field.
A typical range of 6 cm covered in 64.5 sec.
* The conversion factor for a 7-year-old child, and a
scan range of 60 mm was used.
** Adjust the mAs value to the body region.
ExtrUHR
kV 120
Effective mAs/
Quality ref. mAs **
45
Rotation time 1.0 sec.
Acquisition 2 x 0.6 mm
Slice collimation 0.6 mm
Slice width 0.6 mm
Feed/Rotation 1.0 mm
Pitch Factor 0.8
Increment 0.6 mm
Kernel U80u
CTDI
Vol
4.8 mGy
Effective dose Male: 0.01 mSv*
Female: 0.00 mSv*