Table 1. Heterogeneous conduction velocities (CVs) for different ventricular cell layers and directions and the corresponding calculated diffusion coefficients at 37°C estimated for 3D simulations of a ventricular cell block.

Cell type	Fiber direction	CV [cm/s]	Diffusion coefficient D37 [cm2/s]
Endocardial M	longitudinal	67 [30]	0.9 (Endo)
			0.764 (M)
	transversal	30 [24], [25]	0.255 (Endo)
			0.236 (M)
	transmural	17.3 [30,31]	0.124(Endo)
			0.124 (M)
Epicardial	longitudinal	54 [32]	0.692
	transversal	25	0.214
	transmural	13.8	0.102