Headspi - Siemens SOMATOM Sensation 16 Application Manual

Children

HeadSpi

Indications:
Spiral mode for routine head studies, e. g. tumors,
hydrocephalus, hemorrhaging, abnormalities, etc.
kV
Effective mAs
Slice collimation
Slice width
Feed/Rotation
Rotation time
Kernel
Increment
Image order
* The mAs should be adjusted to the age of the child.
Body Weight kV
< 6 months
6 months –
3 years
3 years –
6 years
* The conversion factor for an 8-week-old,
and a scan range of 90 mm was used.
** The conversion factor for a 7-year-old, 260 mAs
and a scan range of 110 mm was used.
Contrast medium IV injection
Start delay
Flow rate
Total amount 1 – 2 ml per kg of body weight
30
HeadSpi
120
*
1.5 mm
4.0 mm
12.2 mm
0.75 sec.
C30s
4.0 mm
ca-cr
mAs CTDI
(mGy)
120 90 20.8
120 150 34.8
120 220 51.0
exam dependent
dependent upon needle size/Access site
Effective dose
w
(mSv)
Male: 2.1*
Female: 2.1*
Male: 5.4**
Female: 5.2**