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Published online October 14, 2002, 10.1148/rg.e8
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Real-Time Four-dimensional Imaging of the Heart with Multi–Detector Row CT1

Kimiaki Saito, MD, Motoaki Saito, MD, Shuhei Komatu, MD and Kuni Ohtomo, MD

1 From the Department of Radiology, Graduate School of Medicine, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan. Presented as a scientific exhibit at the 2001 RSNA scientific assembly. Received March 31, 2002, revision requested May 23, revision received and accepted August 30. Address correspondence to K.S. (e-mail: kimiakis{at}horae.dti.ne.jp).



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  		Figure.  Diagram shows retrospective ECG-gated reconstruction. One image is generated from the raw data from three heartbeats. The data acquisition window is about 100 msec in the ideal case. We can get 3D data sets from any phase by selecting part of the raw data sets positioned at any R-R interval.

 




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