Supporting information
Additional supporting information may be found online in the Supporting
Information section.
Movie S1. Apical two-chamber transthoracic echocardiography view showing
no obvious vegetation. LA = Left atrium; LV = left ventricle.
Movie S2. Bicommissural transesophageal echocardiography view showing a
mobile vegetation on the surface of left ventricular muscle just below
the anterolateral commissure of the mitral valve. LV = Left ventricle.