Calculate serum osmolality using sodium, glucose, and BUN values for clinical assessment.
Accurate serum osmolality calculation using the standard formula: 2 × [Na+] + [Glucose]/18 + [BUN]/2.8. Essential for assessing electrolyte balance and hydration status.
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Typical values for a healthy individual.
Na+: 140 mmol/L
Glucose: 100 mg/dL
BUN: 15 mg/dL
Elevated sodium levels indicating dehydration.
Na+: 155 mmol/L
Glucose: 95 mg/dL
BUN: 25 mg/dL
High glucose levels as seen in diabetes.
Na+: 135 mmol/L
Glucose: 400 mg/dL
BUN: 18 mg/dL
Elevated BUN indicating kidney dysfunction.
Na+: 142 mmol/L
Glucose: 110 mg/dL
BUN: 60 mg/dL