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Figure 2 Intracardiac echocardiography (ICE) placed in left superior pulmonary vein (LSPV). An ablation catheter and ICE catheter are placed within the LSPV to guide radiofrequency ablation. (A) Fluoroscopic image of intracardiac catheters: duodecapolar catheter in right atrium with ICE and ablation catheter in LSPV. (B) Concomitant image from ICE visualizing the ablation catheter within the LSPV lumen.
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