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Gas Exchange Calculators

Calculators assessing oxygenation, ventilation, and gas transfer physiology.

ECMO Sweep Gas and Oxygen Fraction Calculator

02/04/202615/03/2026 by Dr Stuart McLay

Calculate delivered oxygen fraction accounting for sweep gas flow and nitric oxide admixture in ECMO circuits.

Categories Calculators, ECMO, Intensive Care Tags ECMO, ECMO Calculators, Gas Exchange, Gas Exchange Calculators, nitric oxide, oxygenation, Oxygenation Calculators, Respiratory Calculators

Arterial Blood Gas Interpretation Calculator

02/04/202629/08/2025 by Dr Stuart McLay

Rapid interpretation of acid–base status and compensatory physiology from arterial blood gas values.

Categories Biochemistry, Calculators, Emergency Medicine, Intensive Care Tags ABG, acid base, blood gas, calculator, Gas Exchange Calculators, Physiology Calculators, Respiratory Calculators

Gas Tension Conversion Calculator

02/04/202608/08/2025 by Dr Stuart McLay

Convert and interpret gas tensions across units and conditions for accurate physiological analysis.

Categories Anaesthesia, Calculators, Intensive Care Tags carbon dioxide, CO2, converter, Gas Exchange Calculators, gases, O2, oxygen, oxygenation, Physiology Calculators, Units Calculators

Shunt Fraction Calculator

02/04/202610/08/2024 by Dr Stuart McLay

Estimate physiological shunt to quantify impairment in oxygenation.

Categories Calculators, Intensive Care Tags calculator, gas, Gas Exchange, Gas Exchange Calculators, oxygenation, Oxygenation Calculators, Physiology Calculators, pulmonary function, shunt

Alveolar–Arterial Gradient Calculator

02/04/202610/08/2024 by Dr Stuart McLay

Estimate the alveolar–arterial oxygen gradient to assess gas exchange and identify causes of hypoxaemia.

Categories Calculators, Intensive Care Tags A-a gradient, calculator, gas, Gas Exchange Calculators, oxygenation, Physiology, Physiology Calculators, pulmonary function, respiratory support, Ventilation Calculators

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