C. burnetii (Q fever) endocarditis.
Figure 2. Transesophageal Echocardiograms.
A midesophageal view of the aorta in the long axis (Panel A) shows a partial dehiscence of the mechanical valve (arrow). A short-axis view of the aorta (Panel B) shows partial detachment of the mechanical valve and sutures (arrows) through half its circumference. A Doppler image (Panel C) shows a large paravalvular leak (arrows). Ao denotes aorta, LA left atrium, LV left ventricle, and RA right atrium.