Fig. 2From: Unexpected bioprosthetic mitral valve thrombus during left ventricular assist device implantation a Immobilization of the bioprosthetic mitral valve due to thrombus was observed. Left atrial spontaneous echo contrast was also seen. b The thrombus was obstructing transmitral inflow, as seen in the aliased flow pattern using color flow Doppler. LA left atrium, LV left ventricleBack to article page