46
CarotidCTA
Indications:
CT angiography of the carotid arteries, e. g. carotid
stenosis or occlusion, vascular abnormalities of the
carotids or vertebral arteries, etc.
CarotidCTA 2
nd
reconstr.
kV 80
Effective mAs *
Slice collimation 0.75 mm
Slice width 5.0 mm 1.0 mm
Feed/Rotation 12 mm
Rotation time 0.5 sec.
Kernel B30f B20f
Increment 5.0 mm 0.7 mm
Image order cr-ca
* The mAs should be adjusted to the age of the child.
* The conversion factor for an 8-week-old,
and a scan range of 80 mm was used.
** The conversion factor for a 7-year-old and a scan
range of 120 mm was used.
Age kV mAs CTDI
w
Effective dose
(mGy) (mSv)
< 6 years 80 100 2.6 Male: 0.6*
Female: 0.7*
6 years – 80 150 3.9 Male: 0.4**
12 years Female: 0.4**
Children
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