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Echocardiographic left ventricular (LV) flow analysis was performed with vector flow mapping (VFM) in a 48-year-old asymptomatic patient with prior mitral valve replacement by bi-leaflet prosthesis in 2013.Streamlines in Panel A show the consequence of trans-prosthetic mitral inflow directed towards the septum: the development of a dominant posterior vortex showing counter-clockwise …

Flow collision in early aortic ejection: an additional source of kinetic energy loss in patients with mitral prosthetic valves