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Figure 3 Voltage map showing the location of the E-IDC area. This map during RVA pacing shows a right and inferior view of the septum and inferior walls of the left ventricle (LV) in a patient with ischemic heart disease. The color range represents the voltage amplitude. Red denotes dense scar, and gray denotes complete scar. Blue dots show sites where E-IDCs surrounded by complete scar were recorded. The arrows show the electrogram recorded at the entrance of the corridor (pink dot), at the E-LIDC site, and at the site where multiple components were recorded. Red dots denote the E-IDC sites where radiofrequency energy was delivered. (A) Clinical VT. (B) Pace map from the E-LIDC reproducing the VT morphology with a long S-QRS interval.
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