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. 2017 Mar 17;19:30. doi: 10.1186/s12968-017-0345-7

Fig. 1.

Fig. 1

Aortic 4D flow data processing and analysis. a 4D flow raw data including anatomical and flow data. b volumetric aorta segmentation; levels of aortic diameter measurements. c calculation of systolic 3D WSS vector maps. d regional WSS analysis in ten aortic regions