JACC -- Bode et al. 37 (3): 920 Figure IG3

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Figure 3 (A) Correlation between effective refractory period (ERP) and action potential duration at 70% repolarization (APD₇₀) and (B) between ERP and action potential duration at 90% repolarization (APD₉₀). Measurements were obtained at 12 different right atrial sites and different steady state cycle lengths in nine patients.