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Table 3 Summary of TPT and θ values as a function of number of gap-junction channels.

From: Repolarization of the action potential enabled by Na+ channel deactivation in PSpice simulation of cardiac muscle propagation

Number of gap-junction channels# Rgj (MΩ) TPT (ms) Θ (cm/s)
0 100,000 12.9 10.4
1 10,000 7.1 19.0
10 1,000 2.5 54.0
100 100 0.2 675
1,000 10 0.0004 337500
  1. # Each gap-junction channel was assumed to have a conductance of 100 picosiemens (pS)