Table 2.

Frequencies of sinoatrial and atrioventricular node arrhythmic events under ketamine and avertin anesthesia in WT and Scn5a+/ΔKPQ mice

	Number of Mice	Sinus Bradycardia	Sinus Tachycardia	Sinus Pause or Arrest	II to III Atrioventricular Block
Baseline
Ketamine
WT	12	1/12	2/12	0/12	0/12
Scn5a+/ΔKPQ	10	0/10	0/10	0/10	0/10
Avertin
WT	19	1/19	0/19	0/19	0/19
Scn5a+/ΔKPQ	19	1/19	0/19	0/19	1/19
After pacing
Ketamine
WT	12	0/12	0/12	0/12	0/12
Scn5a+/ΔKPQ	10	6/10†	0/10	3/10	4/10*
Avertin
WT	5	0/5	0/5	0/5	0/5
Scn5a+/ΔKPQ	6	0/6	0/6	1/6	0/6

Values are means ± SE.

^*P < 0.05 vs. control;

^†P < 0.01 vs. control.