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Fig. 1 | BMC Research Notes

Fig. 1

From: Validation of aortic valve pressure gradient quantification using semi-automated 4D flow CMR pipeline

Fig. 1

Semi-automated pipeline 4D flow CMR assessment of peak AVPG post-processing steps. Planning stage—after loading the 4D flow in CAAS MR Solution, two points are defined in the weighted reconstructed three-dimensional image, one just below the aortic value and the other within the ascending aorta. Non-optimised pressure difference assessment—this is the starting point to explore the location of the true peak velocity during systole. Optimisation—the two planes are optimised ensuring the aortic valve panel is angulated appropriately

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