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(A) Heart rate (HR); (B)cardiac output (CO); (C)mean aortic pressure (MAP); (D) oxygen delivery (DO2); (E) Left ventricular dp/dtmax; (F) oxygen consumption (VO2); (G) Left negtive ventricular dp/dtmax; The values are reported as mean±SD. SA = saline, EP = epinephrine, EE = epinephrine combined with esmolol. ROSC = restoration of spontaneous circulation. *p<0.05, **p<0.01 vs.SA, #P<0.05 vs. EP (repeated-measures ANOVA).
