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. 2018 Oct 10;11(10):e006059. doi: 10.1161/CIRCEP.117.006059

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© 2018 The Authors.

Circulation: Arrhythmia and Electrophysiology is published on behalf of the American Heart Association, Inc., by Wolters Kluwer Health, Inc. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution, and reproduction in any medium, provided that the original work is properly cited.

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Figure 1. — Action potential duration (APD) from Sham and repaired tetralogy of Fallot left ventricles (LVs). A, Representative optical action potentials from the LV endocardium and epicardium of Sham (black) and rTOF (grey) pigs. B, Endocardial and epicardial APD80 were prolonged in the anterior LV midwall of rTOF pigs (grey) compared with Sham (black) when paced at 1 Hz. C, LV effective refractory period tended to be longer on the rTOF epicardium than in Sham pigs. Data are means±SD. Sham, n=5; rTOF, n=6. *P<0.05.