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Oxygenation Calculators

Tools focused on assessing oxygen delivery, hypoxaemia, and respiratory failure severity.

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

Oxygenation Index Calculator

02/04/202623/09/2025 by Dr Stuart McLay

Assess severity of respiratory failure using oxygenation index for escalation and ECMO consideration.

Categories Anaesthesia, Calculators, ECMO, Intensive Care, Paediatrics Tags ARDS, calculator, ECMO, oxygenation, Oxygenation Calculators, Paediatrics, respiratory, Respiratory Calculators, Ventilation, Ventilation Calculators

PaO₂/FiO₂ Ratio Calculator

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

Calculate P/F ratio to classify severity of hypoxaemia and ARDS.

Categories Anaesthesia, Calculators, Emergency Medicine, Intensive Care Tags ARDS, calculator, oxygen, oxygenation, Oxygenation Calculators, PF ratio, respiratory, Ventilation Calculators

Oxygen Delivery Equivalence Calculator

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

Compare oxygen delivery across devices including low flow, high flow, and non-invasive support.

Categories Calculators, Emergency Medicine, Intensive Care Tags calculator, gas, oxygen, oxygen therapy, Oxygenation Calculators, Respiratory Calculators, respiratory support, Ventilation 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

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