Figure 3
Changes in antidiuretic hormone (ADH), aldosterone and plasma reinin activity (PRA). Plasma levels of (A) plasma ADH, (B) aldosterone, and (C) PRA in patients with acute CVD (n = 31) and elderly subjects (n = 21) at control (baseline), during a 5-minute 60° head-up tilt (HUT) and at recovery. Data are mean ± SD. *P < 0.05 compared with the baseline period.