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Figure 3 Intracardiac Echocardiography

(Left) Intracardiac echocardiogram demonstrating that the mapping/ablation catheter is in contact with the posteromedial papillary muscle (PAP) shown in Figures 1 and 2. (Right) Schematic of the intracardiac echocardiogram in the left panel. The mapping catheter (*), mitral valve annulus (MVA), and PAP are indicated.