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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: Circ Arrhythm Electrophysiol. 2011 Aug 31;4(5):667–673. doi: 10.1161/CIRCEP.111.963553

Figure 4.

Figure 4

A) ICE image with increased echogenicity in epicardium (white arrows) and mid-myocardium (blue arrows) identified on posterolateral wall. Pericardium is marked by red arrow. B) LV endocardial voltage map with normal voltage. C) LV epicardial voltage map with area of low voltage on posterolateral wall. Late potentials are denoted by black tags. The epicardial scar calculation includes the area of late potentials in “normal voltage (> 1 mV)” and the area of low voltage more distal. Electrograms (EGMs) of representative late potentials are shown. LV = left ventricle, Abl D = Ablator distal; Abl P = Ablator proximal