Figure legends
Figure 1. Twelve-lead electrocardiograms exhibiting a premature ventricular contraction and pace map (left panels), two-dimensional images of intracardiac echocardiography (ICE) and cardiac magnetic resonance imaging exhibiting thick papillary muscles in the left ventricle (middle upper and lower panels, respectively), and three-dimensional maps merged with ICE images exhibiting the successful ablation site (right panels).
The tags encircled by a red line indicate the ablation sites of another premature ventricular contraction at the mid-septal aspect of the tricuspid annulus.
APM=anterolateral papillary muscle; INF=inferior; PPM=posteromedial papillary muscle; RAO=right anterior oblique view.