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. Author manuscript; available in PMC: 2007 Aug 23.
Published in final edited form as: Nat Med. 2004 Mar 14;10(4):422–428. doi: 10.1038/nm1011

Figure 2.

Figure 2

Ventricular activation of subjects N and R. (a) Left, anterior and posterior views of BSPM for subject N, 35 ms after QRS onset. Lead V2 of standard ECG is shown for timing purposes. Right, noninvasive epicardial potential map reconstructed from BSPM at left. LAD, left anterior descending coronary artery; LA, left atrium; RA, right atrium. (b) Left, BSPM for subject R at 35 ms. Top right, noninvasive epicardial potential map reconstructed from BSPM at left. Bottom right, later noninvasive epicardial potential map (49 ms) showing delayed RV breakthrough (location 1). (c) Left, epicardial electrograms for subject N, from locations 1, 5, 3 and 4 (shown in a, right). Right, epicardial isochrones. 1, 2, 3 and 4 indicate locations of early epicardial activation (breakthrough sites). (d) Left, electrograms for subject R, from locations 1 and 4 (shown in b, top right). Right, epicardial isochrone map.

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