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Formulae for Estimation of Effect of Intravenous Fluid Administration on Serum Sodium64
| ΔSerum[Na+]= Infusate Volume{(Infusate[Na+]+Infusate[K+])−Serum[Na+]} /(Total Body Water+1) |
| Required Na+ Load = Total Body Water (desired [Na+] − current [Na+]) |
| Total Body Water can be estimated as a fraction of body weight.65 |
