Skip to main content

Table 1 Transverse Propagation Velocity (antegrade (A) and retrograde(R)) of Simulated Cardiac Action Potentials in 2-D Sheets at a Rol2 of 500 KΩ.

From: Boundary effects influence velocity of transverse propagation of simulated cardiac action potentials

Model Size   Stimulations No. of Chains Responding TPT ms Transv. Velocity cm/sec
7 × 7 A Entire A Chain 7 1.2 8.0
   Cell A1 Only 7 1.5 6.4
  R Entire G Chain 7 1.2 8.0
   Cell G1 Only 6 (A failed) 1.5 5.4
5 × 5 A Entire A Chain 5 1.6 4.0
   Cell A1 Only 5 1.7 3.8
  R Entire E Chain 5 1.7 3.8
   Cell E1 Only 5 1.8 3.6
3 × 4 A Entire A Chain 3 1.0 3.2
   Cell A1 Only 3 1.1 2.9
  R Entire C Chain 3 1.2 2.7
   Cell C1 Only 3 1.2 2.7
2 × 3 A Entire A Chain 2 0.7 2.3
   Cell A1 Only 2 0.8 2.0
  R Entire B Chain 2 0.9 1.8
   Cell B1 Only 2 0.9 1.8
  1. A = antegrade R = retrograde
  2. Circuit Parameters: RBT = 10 KΩ Rjc = 25 MΩ (50 MΩ/2); Cj = 16 pF; Cs = 0.2 pF
  3. To improve the performance of the 7 × 7 model (for Rol2 of 500 KΩ), Rjc was decreased slightly to 24.5 MΩ (49.0 MΩ/2).