| | Values |
|---|
Parameters | Cardiac Muscle | Smooth Muscle |
Rjc
| 25 MΩ | 10 MΩ |
Rol2
| 100 KΩ | 200 KΩ |
Ror2
| 100 Ω | 100 Ω |
Ror
| 1.0 KΩ | 1.0 KΩ |
Rol
| 1.0 KΩ | 1.0 KΩ |
Cj
| 4 pF | 4 pF |
Cs
| 16 pF | 4 pF |
EK
| -94 mV | -90 mV |
ENa
| +60 mV | ---- |
Eca
| ---- | 60 mV |
RK (surf) | 70 MΩ | 60 MΩ |
RK (junc) | 70 M Ω | 600 M Ω |
R'Na (surf) | 14 M Ω | ---- |
R'Na (junc) | 14 M Ω | ---- |
R'Ca (surf) | ---- | 30 M Ω |
R'Ca (junc) | ---- | 300 M Ω |
-
# Two 50 MΩ resistors in parallel. Rjc = Radial junctional cleft resistance. Rol2 = Longitudinal resistance of the interstitial space between chains. Ror2 = Transverse resistance of the interstitial space between the parallel chains. Ror = Radial resistance at the surface of the bundle. Rol = Longitudinal resistance at the surface of the bundle. Cj = Capacitance of junctional membranes. Cs = Capacitance of the surface membranes. EK = Potassium equilibrium potential. ENa = Sodium equilibrium potential. ECa = Calcium equilibrium potential. RK(surf) = Potassium resistance of the surface membrane units. RK(junc) = Potassium resistance of the junctional membrane units. R'Na (surf) = Sodium resistance of the surface membrane during excitation. R'Na (junc) = Sodium resistance of the junctional membrane during excitation. R'Ca (surf) = Calcium resistance of the surface membrane during excitation. R'Ca (junc) = Calcium resistance of the junctional membrane during excitation.
