Presentation
Cardiac volunteer to fine tune cardiac CTA techniques. He was the volunteer on 64 slice and the 256 slice 4 years apart. Both techniques are cardiac gated retrospective techniques.
Patient Data
Age: 45 years
Gender: Male
From the case:
Radiation dose for coronary CTA 256 vs 64 detectors
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64 detector GE
Series 2 on both is calcium score dosing.
Series 3 in first is gated retrospective CCTA.
Series 5 in second one has 10 phases and gated retrospective dosing,
Case Discussion
With 256 detectors there is significant dose reduction (2/3 reduction) for cardiac gated CT angiograms.
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