Operating instructions

440
Vascular
HeadAngioVol
Indications:
Spiral mode for cerebral CT Angios, e.g. cerebral vascu-
lar abnormalities, tumors and follow-up studies etc.
Two recon jobs are predefined for reconstruction: the
first for axial, the second for coronal studies in 3D
images display view.
The coronal view images will be reconstructed as MIP
images.
A range of 12.0 cm will be covered in 5.35 sec.
HeadAngio 2
nd
reconstr.
kV 100
Effective mAs/
Quality ref. mAs
140
Rotation time 0.5 sec.
Acquisition 16 x 0.75 mm
Slice collimation 0.75 mm
Slice width 4.0 mm 4.0 mm
Feed/Rotation 13.8 mm
Pitch Factor 1.15
Increment 4.0 mm 4.0 mm
Kernel H20f H10f
CTDI
Vol
19.7 mGy
Effective dose Male: 0.9 mSv
Female: 0.95 mSv