Figure 2. Mean arterial blood pressure (MAP), heart rate (HR) and MSNA measured as burst rate (right upper panel) and total activity (right lower panel) during the Bier block procedure.

B: baseline (6 min). Wrap: the first min of wrapping. Infu: the last min of the saline infusion. P-0: the first 30 s of the post-infusion. P-5: the 5th to 6th min from the end of the infusion (2 min). R: recovery (6 min). Subject number = 19. Data are means ±s.e.m.