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Advanced Technology International USA QSP-660 User Manual Page 8

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ADVANCED CARDIAC CAPABILITY
8
DOSE OPTIMIZATION TECHNOLOGY
Giving you profound
image clarity at lower dose
Traditionally in CT there has been an undesirable
trade-off between image performance and low
radiation dose levels. While high image performance
often requires greater patient exposure to diagnostic
radiation, lower dose levels usually mean lower image
clarity due to higher noise and more artifacts.
GE Healthcare has taken steps toward eliminating this
trade-off by developing parallel technologies to reduce
the dose while maintaining diagnostic image quality.
ASiR* may help you achieve dose reductions while
delivering the diagnostic image quality needed for
confident diagnosis.
1
It may also improve low-contrast
detectability. ASiR, a projection-based iterative
reconstruction technology, changes the dose
paradigm across many anatomies and patients.
Customers using ASiR have demonstrated excellent
diagnostic image quality at low dose across exam
types and body regions.
OPTIDOSE
Dose reduction with ASiR is combined with
GE Healthcare’s proven Optidose technologies
that deliver dose reduction at the source.
Optidose offers SmartTrack dynamic collimation
that keeps the X-ray beam tightly focused on
the active detector cells and Dynamic Z-Axis
tracking, which blocks unused X-rays at the
beginning and end of a helical scan.
DOSE CHECK
Prior to starting the scan while setting the scan
parameters, Dose Check provides tools to
notify and alert you whether the estimated
dose index is above user-defined notification
values. The Dose Check feature is designed to
comply with the NEMA XR-25-2010 standard.
1
In clinical practice, the use of ASiR may reduce CT patient dose depending
on the clinical task, patient size, anatomical location, and clinical practice. A
consultation with a radiologist and a physicist should be made to determine
the appropriate dose to obtain diagnostic image quality for the particular
clinical task.
With ASiRWithout ASiR
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