Table 2.

The electrophysiological characteristics (restitution-curve parameters) of the hearts

Heart	$\mathrm{AP}{\mathrm{D}}^{\mathrm{\infty }}$	$\mathrm{D}{\mathrm{I}}_0$	τ
H1	383 ± 43	−18 ± 52	302 ± 79
H2	300 ± 26	−84 ± 42	318 ± 65
H3	289 ± 30	111 ± 59	69 ± 47
H4	351 ± 29	−72 ± 40	421 ± 68
H5	261 ± 71	124 ± 90	120 ± 100
H6	419 ± 24	−51 ± 17	374 44