Fig. 1. Dopamine: Systemic, regional, and microcirculatory blood flow during administration of dopamine. Relative changes (percent of baseline; mean ± SEM) in cardiac index (CI), superior mesenteric artery flow index (SMAI), and microcirculatory blood flow (MBF) in the mucosa of the stomach, jejunum, and colon as well as in the muscularis of the jejunum, the pancreas, and the kidney before and during continuous infusion of dopamine (5 and 10 μg · kg−1· min−1) and 30 min after discontinuing drug administration. **P < 0.01, ***P < 0.001 compared with baseline.