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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Circ Arrhythm Electrophysiol. 2013 Nov 14;6(6):10.1161/CIRCEP.113.000159. doi: 10.1161/CIRCEP.113.000159

Figure 4.

Figure 4

Associations between Scar on LGE-CMR and VT Circuit Sites of Scar-related VT – A total of 20 VT circuit sites were identified in LV (12 sites) and RV (8 sites) endocardially. (A) The VT circuit sites in LV and RV were more frequently observed in lateral and inferior LV and septal RV regions, respectively. The VT circuit sites were more frequently observed in regions with (B) endocardial scar and (C) 25–75% scar transmurality in LV and RV septum. (D) S-QRS (R=0.482, P=0.047) and %S-QRS/VT-CL (R=0.500, P=0.046) were significantly associated with scar transmurality. The VT circuit sites with ≥ 40 ms of S-QRS were associated with 75% scar transmurality and patchy scar.