44
CarotidCTA
Indications:
CT angiography of the carotid arteries, e. g. carotid
stenosis or occlusion, vascular abnormalities of the
carotids or vertebral arteries, etc.
A range of 20 cm will be covered in 19.4 sec.
CTA 2
nd
reconstr.
kV 80
Effective mAs *
Slice collimation 1.0 mm
Slice width 3.0 mm 1.25 mm
Feed/Rotation 9.0 mm
Rotation time 0.8 sec.
Kernel B41s B31s
Increment 3.0 mm 0.8 mm
Image order ca-cr
* The mAs should be adjusted to the age of the child.
Age kV mAs CTDI
Vol
(mGy)
< 6 years 80 40 1.4
6 years – 12 years 80 60 2.1
Children
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