Table 1.
Parameters | Surface unit | Junctional unit |
Cc (pF) | 5 | 0.5 |
RK (MΩ) | 59 | 600 |
RCa (MΩ) | 200 | 2000 |
EK (mV) | -90 | -90 |
ECa (mV) | +60 | +60 |
Rd (MΩ) | 5000 | 5000 |
Cd (pF) | 30 | 30 |
Common | ||
Ror (KΩ) | 1.0 | |
Rol (KΩ) | 1.0 | |
Ri (KΩ) | 1000 | |
Rjc (MΩ) | 300 | |
Rbt (KΩ) | 1.0 |
Cc = Total cell capacitance
RK = Potassium resistance
RCa = Calcium resistance
EK = Potassium equilibrium potential
ECa = Calcium equilibrium potential
Rd = Resistance in delay circuit
Cd = Capacitance in delay circuit
Ror = Radial resistance of external fluid
Rol = Longitudinal resistance of external fluid
Ri = Longitudinal resistance of intracellular fluid
Rir = Radial resistance of intracellular fluid
Rjc = Radial resistance of junctional cleft
Rbt = Bundle termination resistance