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. Author manuscript; available in PMC: 2015 May 21.
Published in final edited form as: J Cardiovasc Electrophysiol. 2013 Oct 10;25(1):94–98. doi: 10.1111/jce.12291

Figure 2. Activation and pacemapping of PVCs in Case 1.

Figure 2

Left panel: Intracardiac electrogram near ablation site shows a pre-potential (marked by red arrow) between the breakout sites of both PVCs, and was 95 ms ahead of the surface QRS. The ventricular electrogram was 20 ms after the onset of the surface QRS.

Right panel: Pacemapping at the site of ablation with low output capture reproduced both PVC morphologies.