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- W2020123294 abstract "Recent technical advances in multi-detector row CT have resulted in lower radiation dose, improved temporal and spatial resolution, decreased scan time, and improved tissue differentiation. Lower radiation doses have resulted from the use of pre-patient z collimators, the availability of thin-slice axial data acquisition, the increased efficiency of ECG-based tube current modulation, and the implementation of iterative reconstruction algorithms. Faster gantry rotation and the simultaneous use of two x-ray sources have led to improvements in temporal resolution, and gains in spatial resolution have been achieved through application of the flying x-ray focal-spot technique in the z-direction. Shorter scan times have resulted from the design of detector arrays with increasing numbers of detector rows and through the simultaneous use of two x-ray sources to allow higher helical pitch. Some improvement in tissue differentiation has been achieved with dual energy CT. This article discusses these recent technical advances in detail." @default.
- W2020123294 created "2016-06-24" @default.
- W2020123294 creator A5080236461 @default.
- W2020123294 date "2009-11-01" @default.
- W2020123294 modified "2023-09-27" @default.
- W2020123294 title "Recent Technologic Advances in Multi-Detector Row Cardiac CT" @default.
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- W2020123294 doi "https://doi.org/10.1016/j.ccl.2009.06.007" @default.
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