Calcium Transient and Sodium-Calcium Exchange Current in Human versus Rabbit Sinoatrial Node Pacemaker Cells

<table>Charge carried by net membrane current (<svg height="15.6875" id="M261" style="vertical-align:-3.39069pt" version="1.1" viewbox="0 0 28.950001 15.6875" width="28.950001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>), reconstructed hyperpolarization-activated inward current (<svg height="18.65" id="M262" style="vertical-align:-5.76988pt" version="1.1" viewbox="0 0 21.4375 18.65" width="21.4375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>), and reconstructed sodium-calcium exchange current (<svg height="15.725" id="M263" style="vertical-align:-3.41936pt" version="1.1" viewbox="0 0 40.799999 15.725" width="40.799999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>) during 20 mV spontaneous depolarization from <svg height="11.225" id="M264" style="vertical-align:-0.04095pt" version="1.1" viewbox="0 0 62.875 11.225" width="62.875" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> mV of the rabbit and human SA nodal action potentials of Figure <a href="../fig3/">3</a>.</table>

The Scientific World Journal

fig4

Figure 4

Figure 4: Calcium Transient and Sodium-Calcium Exchange Current in Human versus Rabbit Sinoatrial Node Pacemaker Cells 