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syngo CT 2007E Emotion Operator Manual
02/2008
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F.2-1
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CHAPTER
F.1
F.2
Daily Quality
Measurements
The daily quality measurements only require checking of three
parameters on the water phantom:
F.2
❏ The CT value of water is calculated in Hounsfield units
(HU).
❏ The Pixel noise of images is calculated as a standard devia-
tion.
❏ Tube voltages are measured directly on the x-ray tube.
These measurements are carried out for all available kV values.
F.2
Storage
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The images of the Quality/Daily measurements are stored as
images of the “Quality Assurance Patient”. New images over-
write older images.
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i
.2
F
All values of the Quality/Daily measurements are stored in the
Report Files. (→ Page F.3-30 Output of results)
F.2
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