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. Author manuscript; available in PMC: 2008 Apr 1.
Published in final edited form as: Heart Rhythm. 2007 Jan 7;4(5):638–647. doi: 10.1016/j.hrthm.2006.12.046

Figure 8. Peak and late INa were unaffected by 1 μM BayK8644.

Figure 8

Representative traces of currents recorded at −40 mV after a depolarizing pulse step from a holding potential of −120 mV. Top left: Late INa recorded in 140 mM external sodium, after addition of 1 μM BayK8644, and in the presence of 1 μM BayK8644 and 10 μM tetrodotoxin. Top right: Peak INa recorded in 20 mM external sodium and after addition of 1 μM Bay K. Summary current–voltage plot for integrated current in 140 mM external sodium (bottom left; 7–10 cells) and peak INa in 20 mM external sodium (bottom right; 11 cells). Values are given as average ± SEM.