March 30, 2021
Video Supplement to “Microbubbles Mimicking Prosthetic Mitral Valve Thrombosis,” by Sadiq MA (April 2021 Clinical Images).
A 36-year-old woman with a history of redo mitral valve replacement (bileaflet mechanical mitral valve prosthesis) in 2002 for prosthetic mitral valve endocarditis presented to the emergency department with a history of recurrent palpitations. The following transthoracic echocardiogram falsely indicated a diagnosis of prosthetic mitral valve thrombosis. However, review of the echocardiogram by an experienced echocardiologist revised the diagnosis to microbubbles formation phenomenon with mechanical mitral prosthesis.