Siemens EMOTION 16-Jun - Manual (Page 48)

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Dose Information
Based on a user defined Image Quality Reference
mAs, CARE Dose 4D automatically adapts the (eff.)
mAs to the patient size and attenuation changes
within the scan region. With the setting of the Image
Quality Reference mAs you can adjust image quality
(image noise) to the diagnostic requirements and the
individual preference of the radiologist.
Note: The Image Quality Reference mAs should not
be adjusted to the individual patient size!