TABLE 2.

Effect of ATO on VM in the ventricular cable model.

Concentration of ATO (μM)	S2 location (cell number)	Unidirectional conduction timing range (ms)	Vulnerable window (ms)	Average vulnerable window (ms)
0	61–65	376–413	37	35.6
	62–66	376–415	39
	63–67	377–414	37
	64–68	379–413	34
	65–69	381–412	31
1	61–65	414–458	44	38
	62–66	414–456	42
	63–67	416–455	39
	64–68	415–454	39
	65–69	416–454	38
2	61–65	439–496	57	53
	62–66	438–490	52
	63–67	437–490	53
	64–68	437–489	52
	65–69	441–494	53
3	61–65	461–523	62	70
	62–66	458–524	66
	63–67	455–523	68
	64–68	453–522	69
	65–69	451–521	70