Table 1. Average characteristics of SANC spontaneous APs in response to pharmacological perturbations (n = 9 in each group).

	Control	Ru360	Control	CGP-37157
Frequency (Hz)	2.7±0.25	3±0.3*	2.65±0.2	2.3±0.2* , **
Action potential amplitude (mV)	90±2	91±2	91±4	93±5
Overshoot (mV)	31±1	31±2	33±3	35±3
Maximal diastolic potential (mV)	−59±1	−60±1	−61±2	−62±2
Max rate of diastolic depolarization, dV/dt (mV/s)	6.2±1	6.8±1	6±1	5.8±1

^*p<0.05 vs. drug control.

^**p<0.05 vs. Ru360.