Anion Gap Calculator
The Anion Gap Calculator is a vital tool for healthcare professionals to assess the balance of electrolytes in the blood, helping to diagnose metabolic acidosis.
Calculator
Data Source and Methodology
All calculations are rigorously based on clinical formulas provided by authoritative medical resources. Reference: "Clinical Chemistry" by William J. Marshall. View Source
The Formula Explained
\[ \text{Anion Gap} = \text{Na}^+ - (\text{Cl}^- + \text{HCO}_3^-) \]
Glossary of Terms
- Sodium (Na⁺): A key electrolyte in the blood.
- Chloride (Cl⁻): An electrolyte that helps maintain fluid balance.
- Bicarbonate (HCO₃⁻): A form of carbon dioxide in the blood.
- Anion Gap: The difference between primary measured cations and anions.
Frequently Asked Questions (FAQ)
What is the anion gap?
The anion gap is a measurement used to identify the causes of metabolic acidosis.
How do you calculate the anion gap?
The anion gap is calculated using the formula: Na⁺ - (Cl⁻ + HCO₃⁻).
Why is the anion gap important?
It helps in diagnosing the underlying cause of metabolic acidosis.
What is a normal anion gap range?
The normal range is typically between 8 and 12 mmol/L.
What does a high anion gap mean?
A high anion gap can indicate conditions such as lactic acidosis, ketoacidosis, or renal failure.
Formula (LaTeX) + variables + units
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\text{Anion Gap} = \text{Na}^+ - (\text{Cl}^- + \text{HCO}_3^-)
The Anion Gap is calculated as: \[ \text{Anion Gap} = \text{Na}^+ - (\text{Cl}^- + \text{HCO}_3^-) \]
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Last code update: 2026-01-19
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