Sodium change per litre of infusate: Adrogué-Madias

Predicts how much one litre of a given fluid will move the serum sodium. The planning tool for hyponatraemia and hypernatraemia correction.

What you enter

• Serum sodium (mmol/L)
• Infusate: 3% saline (513) / 0.9% saline (154) / Hartmann's / LR (130) / 0.45% saline (77) / 5% dextrose (0)
• Weight (kg or lb)
• Total body water fraction: Adult male (0.6) / Adult female (0.5) / Older male (0.5) / Older female (0.45)