Interactive exploration of arterial blood gas values

How to Use

1
Adjust FiO₂

Change the inspired oxygen fraction to see how it affects blood gas values

2
Modify Electrolytes

Unlock electrolyte values to explore their effects on acid-base balance

3
Watch Blood Gas Update

Measured ABG values update automatically based on your inputs

4
Review Calculated Values

See derived parameters like P/F ratio, anion gap, and A-a gradient

Oxygen Therapy

Inspired Oxygen Fraction

Adjust the FiO₂ to see how it affects oxygenation parameters

FiO₂
% (21-100)

Electrolytes & Metabolic

Serum Electrolytes

Na⁺
mEq/L (136-145)
K⁺
mEq/L (3.5-5.0)
Cl⁻
mEq/L (98-106)
Glucose
mg/dL (70-100)
Lactate
mmol/L (0.5-2.0)
Albumin
g/dL (3.5-5.0)

Measured Blood Gas Values

Arterial Blood Gas

These values are calculated based on FiO₂ and electrolytes

pH
(7.35-7.45)
pCO₂
mmHg (35-45)
pO₂
mmHg (80-100)
HCO₃⁻
mEq/L (22-26)
SaO₂
% (95-100)

Calculated Values

Derived Parameters

Base Excess 0 mEq/L
Anion Gap 10 mEq/L
P/F Ratio 452
A-a Gradient 10 mmHg