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Fig. 1 | BMC Medical Imaging

Fig. 1

From: Whole-heart four-dimensional flow can be acquired with preserved quality without respiratory gating, facilitating clinical use: a head-to-head comparison

Fig. 1

Data evaluation of particle trace (PT). a: Using the short-axis manual delineation of the LV, all 4D flow voxels inside the LV at end-diastole were selected for particle trace analysis. Panel B shows the planes used to define inflow and outflow. Panel c and d: One particle was placed in each voxel and traced backward in time to end-systole (inflow, c), and forward to end-systole (outflow, d). For inflow analysis c, all particles on the basal side of the mitral valve at end-systole (b) were considered as inflowing blood. For outflow analysis (d), all particles on the basal side of the aortic valve (b) at end-systole were considered as inflowing blood. L = Left-Right axis, P = Posterior-Anterior axis, S = Superior-Inferior axis

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