TABLE 2

Biophysical parameters for fast inactivation

	Fast Inactivation (100 ms)			Intermediate Inactivation (1000 ms)			Recovery from Fast Inactivation^{^a}
	V_1/2	k	n	V_1/2	k	n	τ_f	τ_s	n
	mV	mV		mV	mV		ms	ms
Control	−46.4 ± 1.3	5.1 ± 0.3	7	−51.0 ± 0.8	−4.7 ± 0.1	4	6.5 ± 0.9 [80 ± 3%]	127 ± 15 [20 ± 3%]	5
Ranolazine (10 μM)	–51.6 ± 2.0^*	5.5 ± 0.2	7	–59.0 ± 1.7**	−5.1 ± 0.2	4	8.1 ± 1.7 [73 ± 6%]	380 ± 211 [27 ± 6%]	5