ABG Interpreter

Measured Values

pH 7.35–7.45 Normal: 7.35 – 7.45

pCO₂ mmHg Normal: 35 – 45

pO₂ mmHg Normal: 80 – 100

Hct % M: 40–52, F: 36–48

Na⁺ mEq/L Normal: 135 – 145

K⁺ mEq/L Normal: 3.5 – 5.0

Ca²⁺ ion. mmol/L Normal: 1.10 – 1.35

Cl⁻ mEq/L Normal: 98 – 108

Lactate mmol/L Normal: < 2.0 (optional)

Albumin g/L Normal: 35–50 (optional)

Calculated / Reported Values

HCO₃⁻(P) mmol/L Normal: 22 – 26

Base Excess(B) mmol/L Normal: −2 to +2

sO₂ % Normal: 95 – 100

Hb g/dL M: 13.5–17.5, F: 12–16

FiO₂ / Oxygenation

FiO₂ % (default 21%)

O₂ Device

Flow L/min

Elevation

Elevation above sea level metres Used to calc PAO₂. Default: 3m (your institution)

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Enter values and press Interpret