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Figure 2 Sample tracings of integrated SNA, femoral artery pressure and surface ECG for one patient. The periods shown include a baseline period (during AF) just before the beginning of RF ablation and during RF ablation (arrow on ECG panel) in which AV block was achieved within 10 s, 10 min after AV block (pacing at 60 beats/min) and 12 min after AV block (pacing at 90 beats/min).
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