Figure 1. Heart rate (HR), mean arterial blood pressure (MAP), and changes in central venous pressure (Delta CVP) during the 1st h (conscious) and the 2nd and 3rd h in animals while conscious (control experiments) (open symbols) or while anesthetized with methohexital (closed symbols). Values are means plus/minus SEM, n = 7. *P < 0.05 versus control experiments.