Table 3 Differences and similarities between cerebral sodium wasting and syndrome of inappropriate antidiuretic hormone
From: Brain–kidney crosstalk
Cerebral sodium wasting | Syndrome of inappropriate antidiuretic hormone | |
|---|---|---|
Extracellular volume | ↓ | Normal or ↑ |
Urine sodium concentration | Normal or ↑ | Normal or ↑ |
Plasma renin | ± ↑ | ± ↓ |
Plasma aldosterone | ↑ | ± ↓ |
Serum urate | ↓↓ | ↓ or normal |
Fractional excretion urate | ↑↑ | ↑ or normal |
Fractional excretion phosphate | ± ↑ | Normal |