TABLE 1.

Electrophysiological measurements of control and diabetic mouse atria

	Control (n = 11)		DM (n = 12)
	Baseline	Apamin	Baseline	Apamin
Resting potential (mV)	72.2 ± 1.5	71.5 ± 1.4	73.2 ± 1.4	74.6 ± 1.6
Amplitude (mV)	86.0 ± 4.1	89.0 ± 4.5	94.0 ± 2.0	92.4 ± 2.6
APD50 (CL of 300 ms) (ms)	11.5 ± 1.2	13.4 ± 1.6	17.7 ± 1.8a	18.6 ± 2.3
APD90 (CL of 300 ms) (ms)	34.4 ± 2.0	42.0 ± 2.6b	42.6 ± 2.4a	42.8 ± 4.3

^a p < 0.05 versus control.

^b p < 0.05 versus baseline.