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Figure 2


Fig. 2. Comparison of voltage-dependent properties of INa between atrial and ventricular myocytes of the rainbow trout heart. Current-voltage relationships and steady-state activation m{infty} and inactivation curves h{infty} of the INa are shown in A and B, respectively. Voltage protocols (top), representative recordings (middle) and mean results (± s.e.m.; N=12-14) (bottom) are shown. Asterisks show a significant difference (P<0.05) between atrial and ventricular myocytes.