Table 1.
Overview of intracellular and extracellular conductivities and CV for several temperature ranges. The intracellular conductivity in the border zones was exponential and is given as the range of values in this zone. We assumed a specific membrane capacity Cm of 0.1 μF/cm2 and a surface to volume ratio β of 100 mm−1 for the myocardium [25].
| Material | σ i (S/m) | σ e (S/m) | CV (mm/s) |
|---|---|---|---|
| Myocardium | 0.40 | 0.264 | 800 |
| Blood | — | 0.70 | — |
| Lesion (40–43°C) | 0.47–0.53 | 0.264 | 844–873 |
| Lesion (43–46°C) | 0.53–0.36 | 0.264 | 873–784 |
| Lesion (46–50°C) | 0.36–0.01 | 0.264 | 784–160 |
| Lesion (necrotic) | — | 0.10 | — |
| Electrode | — | 7 · 103 | — |
| Isolation | — | 10−10 | — |