Table 1.

Size of Left Ventricle, Risk Region, and Infarct.

	Age	Body	Heart	H/B	LV	RR	Infarct	RR	Infarct	Infarct	Shock
	(wk)	(g)	(mg)	(%)	(mg)	(mg)	(mg)	(% of LV)	(% of risk region)	(% of LV)
GroupI (WT, AMI)	14 ± 5	29.2 ± 3.9	161 ± 30	0.55 ± 0.06	119 ± 25	43 ± 11	26 ± 9	36.8 ± 7.9	58.6 ± 7.0	21.7 ± 5.9	N/A
Group II (WT, sham Ex)	11 ± 1	28.5 ± 2.5	171 ± 12	0.60 ± 0.05	126 ± 12	43 ± 11	27 ± 8	34.1 ± 6.5	63.4 ± 7.8	21.5 ± 4.7	180 ± 51
Group III (WT, Ex)	13 ± 2	29.0 ± 2.4	157 ± 20	0.54 ± 0.06	112 ± 17	34 ± 11	9 ± 5*	29.5 ± 7.4	25.5 ± 8.8*	7.8 ± 3.7*	139 ± 74
Group IV (WT, Ex + NS)	12 ± 3	27.2 ± 0.1.9	145 ± 13	0.54 ± 0.07	108 ± 15	30 ± 4	8 ± 4*	28.2 ± 4.9	27.2 ± 14.0*	7.3 ± 3.7*	182 ± 62
Group V (WT, sham Ex + L-NA)	18 ± 4	32.6 ± 5.2	151 ± 18	0.47 ± 0.06	116 ± 13	38 ± 3	19 ± 4	33.5 ± 4.0	50.2 ± 10.4	16.7 ± 3.2	N/A
Group VI (WT, Ex + L-NA)	10 ± 1	29.1 ± 3.5	160 ± 24	0.55 ± 0.05	115 ± 17	42 ± 4	23 ± 6	36.8 ± 5.6	56.1 ± 16.2	20.3 ± 5.2	131 ± 75
Group VII (WT, Ex + DMSO)	11 ± 1	27.9 ± 1.4	146 ± 9	0.52 ± 0.03	111 ± 11	33 ± 5	9 ± 4*	29.9 ± 5.5	27.9 ± 13.4*	8.2 ± 4.0*	44 ± 28
Group VIII (WT, sham Ex + CHE)	18 ± 4	34.5 ± 8.9	149 ± 29	0.44 ± 0.08	115 ± 22	42 ± 11	20 ± 7	36.3 ± 5.9	48.2 ± 8.5	17.3 ± 3.4	N/A
Group IX (WT, Ex + CHE)	14 ± 5	29.5 ± 2.8	147 ± 12	0.50 ± 0.03	109 ± 10	35 ± 9	21 ± 8	32.4 ± 10.1	57.9 ± 12.5	19.2 ± 8.1	81 ± 14
Group X (WT, Ex +1400 W)	11 ± 0	30.5 ± 2.1	175 ± 23	0.57 ± 0.05	134 ± 20	42 ± 11	26 ± 8	31.1 ± 5.2	62.0 ± 8.8	19.4 ± 4.6	127 ± 58
Group XI (eNOS−/−, AMI)	24 ± 6	28.4 ± 3.5	156 ± 22	0.55 ± 0.09	119 ± 17	46 ± 11	28 ± 8	38.8 ± 6.9	59.7 ± 4.6	23.3 ± 5.0	N/A
Group XII (eNOS−/−, sham Ex)	20 ± 2	26.7 ± 6.1	155 ± 24	0.59 ± 0.07	115 ± 15	46 ± 12	27 ± 6	40.1 ± 9.0	59.0 ± 9.6	23.2 ± 4.4	213 ± 24
Group XIII (eNOS−/−, Ex)	18 ± 4	30.5 ± 2.2	179 ± 13	0.59 ± 0.05	128 ± 7	41 ± 16	26 ± 14	32.0 ± 11.6	61.0 ± 11.2	20.3 ± 10.0	173 ± 68
Group XIV (iNOS−/−, AMI)	17 ± 4	30.8 ± 7.5	167 ± 46	0.54 ± 0.05	121 ± 30	44 ± 8	23 ± 6	38.0 ± 8.9	53.4 ± 11.2	20.3 ± 6.8	N/A
Group XV (iNOS−/−, sham Ex)	16 ± 3	29.1 ± 5.0	142 ± 32	0.48 ± 0.05	107 ± 24	40 ± 9	25 ± 8	37.7 ± 7.2	63.8 ± 8.8	24.0 ± 5.2	105 ± 69
Group XVI (iNOS−/−, Ex)	21 ± 4	28.4 ± 4.4	171 ± 18	0.61 ± 0.05	123 ± 15	44 ± 8	26 ± 10	36.0 ± 5.1	56.4 ± 12.9	20.8 ± 7.02.5	58 ± 39

Ex, exercise; Body, body weight; Heart, total heart weight (ventricles and atria); H/B, the ratio of heart weight with body weight; LV, left ventricle; RR, region at risk; Shock, number of shocks during acclimation. Data are means ± SD.

^*P < 0.05 vs. group II.