High-pitch spiral acquisition: a new scan mode for coronary CT angiography.

@article{Achenbach2009HighpitchSA,
  title={High-pitch spiral acquisition: a new scan mode for coronary CT angiography.},
  author={Stephan Achenbach and Mohamed Marwan and Tiziano Schepis and Tobias Pflederer and Herbert Bruder and Thomas Allmendinger and Martin Petersilka and Katharina Anders and Michael M. Lell and Axel Kuettner and Dieter Ropers and WernerG. Daniel and Thomas Flohr},
  journal={Journal of cardiovascular computed tomography},
  year={2009},
  volume={3 2},
  pages={
          117-21
        }
}
Coronary CT angiography allows high-quality imaging of the coronary arteries when state-of-the-art CT systems are used. However, radiation exposure has been a concern. We describe a new scan mode that uses a very high-pitch spiral acquisition, "Flash Spiral," which has been developed specifically for low-dose imaging with dual-source CT. The scan mode uses a pitch of 3.2 to acquire a spiral CT data set, while covering the entire volume of the heart in one cardiac cycle. Data acquisition is… CONTINUE READING
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