Spontaneous native mitral valve leaflet thrombosis is an exceedingly rare phenomenon. Here, we describe the case of a 71-year-old woman with rheumatic mitral stenosis who presented with cardiogenic shock. She was found to have a thrombus on her native mitral valve despite being on anticoagulation and without a clear associated hypercoagulable comorbidity. The patient underwent mitral valve replacement with favorable outcomes. This case sheds light on the inflammatory and prothrombotic nature of rheumatic valvular disease.
Keywords: echocardiography; mitral valve; rheumatic heart disease; thrombosis.
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