Template:Osmolal Gap Calculator: Difference between revisions

(Create Osmolal Gap calculator template with references)
 
(Add === Osmolal Gap === subheading for TOC visibility)
Line 2: Line 2:
Usage: <code><nowiki>{{Osmolal Gap Calculator}}</nowiki></code>
Usage: <code><nowiki>{{Osmolal Gap Calculator}}</nowiki></code>
[[Category:Calculator templates]]</noinclude>
[[Category:Calculator templates]]</noinclude>
=== Osmolal Gap ===
<div class="calculator-container" data-calculator-refresh-on-load="true">
<div class="calculator-container" data-calculator-refresh-on-load="true">
{| class="wikitable" style="width:100%; border-collapse:collapse;"
{| class="wikitable" style="width:100%; border-collapse:collapse;"

Revision as of 15:51, 21 March 2026

Interactive Osmolal Gap calculator. Requires the calculator gadget. Usage: {{Osmolal Gap Calculator}}

Osmolal Gap

Serum Osmolal Gap
Parameter Value
Measured Serum Osmolality (mOsm/kg)
Sodium (Na⁺) mEq/L
BUN (mg/dL)
Glucose (mg/dL)
Results
Calculated Osmolality mOsm/kg
Osmolal Gap mOsm/kg
Interpretation
<10 Normal — No significant unmeasured osmoles detected.
>10 Elevated — Consider toxic alcohol ingestion: methanol, ethylene glycol, isopropanol, or other unmeasured osmoles (ethanol, mannitol, contrast dye).
References
  • Smithline N, Gardner KD Jr. Gaps—anionic and osmolal. JAMA. 1976;236(14):1594-1597. PMID 989116.
  • Kraut JA, Xing SX. Approach to the evaluation of a patient with an increased serum osmolal gap and high-anion-gap metabolic acidosis. Am J Kidney Dis. 2011;58(3):480-484. PMID 21794966.
  • Formula: Calculated Osm = 2(Na) + BUN/2.8 + Glucose/18. Gap = Measured − Calculated.