Serum Osmolality Sodium (Na): mmol/L (optional) Potassium (K): mmol/L BUN: mg/dl Glucose: mg/dl Serum Osmolality = mOsm/kg Normal Range = 285 – 295 mOsm/kg Serum Osmolality = (2 x (Na + K)) + (BUN / 2.8) + (glucose / 18) Created by: Charles Hu & Gary Barnas M.D. Created: Saturday, […]

Serum Osmolality

  How to calculate oxygen cylinder duration? Oxygen is contained within pressurized cylinders of various sizes. Depending on oxygen tank size, pressure, and flow we can calculate the duration. Duration of Flow = Oxygen Tank Conversion Factor * Remaining Tank Pressure (psi) / Continuous Flow Rate (L/min) Oxygen Cylinder Conversion […]

Oxygen Cylinder and O2 Tank Duration Calculation