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. 2013 Jul 8;591(Pt 17):4167–4188. doi: 10.1113/jphysiol.2013.254938

Figure 2. MAP recordings obtained during the incremental pacing protocol.

Figure 2

Typical traces observed at resting (8 Hz; A) and exercising (13.5 Hz, B) heart rates in the WT RV epicardium (a), WT RV endocardium (b), flecainide-treated WT RV epicardium (c), Scn5a+/− RV epicardium (d) and flecainide-treated Scn5a+/− RV epicardium (e). The flecainide-treated Scn5a+/− RV epicardium shows longer latencies at both pacing rates and alternans at the higher rate.