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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: Cell Calcium. 2011 Feb 23;49(3):162–173. doi: 10.1016/j.ceca.2011.01.008

Figure 3. ICa suppression in low extracellular [Na+] is concentration dependent at [Na+]o above 100 mM.

Figure 3

A) Concentration-dependence of ICa suppression in various extracellular Na+ concentrations ranging from 145 to 10 mM (N=4–11, p<0.01 at all points). B–D) Time course of ICa suppression in extracellular solutions containing 50, 100, 120 mM NaCl respectively. Extracellular Na+ was replaced by equivalent amount of Cs+.