Effect of K201 on urine flow (UV), urinary excretion of sodium (UNaV), and distal fractional excretion of sodium (DFRNa). Data are expressed as mean±SE. Low indicates dose of K201 0.1 mg · kg−1 · min−1; High, 0.5 mg · kg−1 · min−1. *P<0.05 vs baseline. Data analyzed with repeated-measures ANOVA, except UNaV, for which nonparametric Friedman test was used.