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Clinical calculator

Arterial Blood Gas (ABG) Analyzer

Enter arterial blood gas values to explore acid-base patterns and selected calculations. Interpret results alongside the patient's history, examination, oxygenation, and laboratory reference ranges.

For healthcare professionals and learners. Clinical judgment remains essential.

Laboratory values

Analysis

Enter the required values and select Analyze values to see the results.

Formulas used

  • AG = Na − (Cl + HCO₃⁻)
  • Corrected AG = AG + 2.5 × (4 − albumin in g/dL)
  • Winter's formula: expected PaCO₂ = 1.5 × HCO₃⁻ + 8 ± 2 mmHg
  • Estimated PaCO₂ in metabolic alkalosis = 40 + 0.7 × (HCO₃⁻ − 24), approximate range ± 5 mmHg