| Holliday-Segar | |
|---|---|
| <= 10 kg | 100 mL/kg/24 hr |
| 11-20 kg | 1000 mL + 50 mL/kg/24 hr for each kg from 11-20 |
| >20 kg | 1500 mL + 20 mL/kg/24 hr for each kg >20 |
| Simplified Method | |
| <= 10 kg | 4 mL/kg/hr |
| 11-20 kg | 40 + 2 ml/kg/hr for each kg from 11-20 |
| >20 kg | 60 + 1 mL/kg/hr for each kg >20 |
| Body Surface Area Method | |
| 1500 mL/m2/24 hr | |
| BSA = Sqr Rt of [wt(kg) x ht(cm)/3600] | |
| The maximum fluid rate is normally 100 mL/hr | |
| Adult estimate = 2-3 L/24 hr | |
Maintenance Electrolytes |
|
| Sodium 2–3 mEq/kg/24 hr | |
| Potassium 1–2 mEq/kg/24 hr | |
| Solution | Osmolality
mOsm/L |
Glucose
mmol/L |
Na
mEq/L |
Cl
mEq/L |
HCO3
mEq/L |
K
mEq/L |
| Intravenous solutions | ||||||
| Ringer's | 280 | ... | 130 | 110 | 25 | 4 |
| 0.9% Saline | 308 | ... | 154 | 154 | ... | ... |
| D5 -- 0.45% Saline | 454 | 300 | 77 | 77 | ... | ... |
| D5 -- 0.22% Saline | 377 | 300 | 38 | 38 | ... | ... |
| Butler's | 450 | 300 | 40 | 40 | 20 | 35 |
| IDEAL* | 460 | 300 | 60 | 50 | 30 | 20 |
| [*Not commercially available] | ||||||
| Homemade Solution | 300 | 58 | 48 | 30 | 20 | |
| D5 0.22% Saline with K Acetate 10 mEq/L; KCl 10 mEq/L; NaHCO3 20 mEq/L added | ||||||
| Oral Solution | ||||||
| WHO - ORS# | 330 | 110 | 90 | 80 | 30 | 20 |
| Rehydralyte# | 140 | 75 | 65 | 30 | 20 | |
| Low-Na ORS | 270 | 110 | 60 | 50 | 30 | 20 |
| Pedialyte | 270 | 140 | 45 | 35 | 30 | 20 |
| [# Higher Na solutions are successful as long as they are supplemented with oral water ad libitum] | ||||||