Scanner User Manual

Head
75
Hints
• An automatic bone correction allows for improved
head image quality, without any additional post-pro
-
cessing.
• In order to optimize image quality versus radiation
dose, scans are provided within a maximum scan
field of 300 mm with respect to the iso-center. No
recon job with a field of view exceeding those limits
will be possible. Therefore, patient positioning has to
be performed accurately to ensure a centered loca
-
tion of the skull.
BaseSeq CerebrumSeq
kV 130 130
Effective mAs 240 240
Rotation time 1.5 sec 1.5 sec
Slice collimation 1.5 mm 4.0 mm
Slice width 3.0 mm 8.0 mm
Feed/Scan 3.0 mm 8.5 mm
Kernel H31s H31s
CTDIVol
54.65 mGy 51.43 mGy
Effective dose Male:
0.77
mSv
Female:
0.80
mSv
Male: 1.52 mSv
Female:
1.68
mSv
Contrast medium IV injection
Start delay 60 sec.
Flow rate 2 ml/sec.
Volume 50 – 60 ml
C2-025.630.01.01.02_APPLICATIONGUIDE_SPIRIT.book Page 75 Friday, April 8, 2005 9:55 AM