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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: Pediatr Radiol. 2014 Dec 9;45(6):804–813. doi: 10.1007/s00247-014-3246-z

Fig. 2.

Fig. 2

Graphs show comparison of aortic and pulmonary flow parameters between 2-D phase-contrast (PC) MRI and quantification based on 4-D flow. Comparisons are for (a) net flow, (b) peak systolic velocity and (c) regurgitant fraction. Volumetric flow analysis (Fig. 1) in the aortic root/ascending aorta was used for 4-D flow-based peak systolic velocity quantification (b) in the aortic root/ascending aorta and MPA. Ao aorta, LPA left pulmonary artery, MPA main pulmonary artery, RPA right pulmonary artery