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. Author manuscript; available in PMC: 2013 Apr 17.
Published in final edited form as: Circulation. 2012 Mar 12;125(15):1835–1847. doi: 10.1161/CIRCULATIONAHA.111.047274

Figure 7.

Figure 7

Optical mapping of the epicardial surface of a non-failing human heart. A: Epicardial optical mapping of the isolated, left ventricle free wall preparation (marked by dotted line on the left panel) was conducted. Optical field of view (OFV: 35 mm by 35 mm) is denoted by square. Activation and APD distribution patterns are shown for slow (B, S1S1=1,000 ms) and fast (C, S1S1=280 ms) pacing. The gradual shortening of pacing interval depressed conduction velocity along the transverse direction and resulted in increased conduction anisotropy without any conduction abnormalities. LA and RA – left and right atria; LV and RV – left and right ventricle.