Category
Pulmonology
Lung function estimates, oxygenation indices, and ventilator-related calculations.
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pulmonology
Alveolar–Arterial O₂ Gradient
Oxygenation defect assessment.
A–a gradient
pulmonology
Arterial Oxygen Content
Oxygen carried in arterial blood.
CaO₂
pulmonology
Horowitz Index (PAFI)
Oxygenation index for ARDS classification.
PaO₂/FiO₂
pulmonology
Ideal Body Weight (ARDSnet)
Ideal body weight for ventilation.
ARDSnet IBW
pulmonology
Minute Ventilation
Total ventilation per minute.
VE
pulmonology
P/F Ratio
ARDS severity index.
PaO₂/FiO₂
pulmonology
PEEP FiO₂ Table Estimate
Suggested PEEP level for a given FiO₂ (educational ARDSnet-style pairing).
ARDS PEEP/FiO₂
pulmonology
Physiologic Dead Space
Dead space fraction estimate.
Bohr equation
pulmonology
Predicted Tidal Volume
Lung-protective tidal volume target.
6 mL/kg IBW
pulmonology
Respiratory Quotient
Metabolic substrate utilization index.
RQ = VCO₂/VO₂
pulmonology
Static Lung Compliance
Compliance from volume and pressure.
C = V/P