Fig. 2From: Left ventricular fluid kinetic energy time curves in heart failure from cardiovascular magnetic resonance 4D flow dataVortex-ring delineation using Lagrangian coherent structures (LCS). Left: LCS in 3-chamber view of the LV. Right: LCS in short-axis view. Delineation of LCS for each diastolic time frame during enables quantification of blood inside and outside the diastolic vortexBack to article page