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Osmolal Gap

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Calculates Serum Osmolality and Osmolar gap

Serum Osmolality [mOsm/kg] = (2 * (a) + (b/2.8)) + (c/18) + (d/4.6)
Osmolar Gap [mOsm/kg] = e - (2 * (a) + (b/2.8) + (c/18) + (d/4.6))
1. Plasma Sodium mEq/L
2. BUN mg/dL
3. Glucose mg/dL
4. Ethanol mg/dL
5. Measured Serum Osm mOsm/kg