Abstract #1365

Blood Flow Patterns in the Left Ventricle of the Healthy Human Heart Described by Lagrangian Coherent Structures Computed from 4D Phase Contrast MRI

Johannes Tger^1,2, Johannes Uln^1,3, Marcus Carlsson¹, Gustaf Sderlind², Hkan Arheden¹, Einar Heiberg¹

¹Cardiac MR Group, Department of Clinical Physiology, Lund University Hospital, Lund, Sweden; ²Numerical Analysis, Centre for Mathematical Sciences, Lund University, Lund, Sweden; ³Mathematical Imaging Group, Centre for Mathematical Sciences, Lund University, Lund, Sweden

Blood flow patterns in the human heart are important for our understanding of cardiac pumping, and 4D phase contrast MRI may provide new insights. However, the flow is complex, making it hard to visualize and understand. In this work, the flow patterns in the left ventricle are interpreted using Lagrangian Coherent Structures, which reveal dynamically distinct compartments in the flow. Specifically, the inflow into the left ventricle is described in four healthy volunteers.