Respiratory Calculators
Pneumonia, PE, and oxygenation calculators.
10 calculators in this category
A-a Gradient
Difference between alveolar and arterial oxygen.
Alveolar Gas Equation
Calculates expected alveolar oxygen pressure (PAO2).
CURB-65
Severity score for community-acquired pneumonia.
Oxygenation Index (OI)
Severity of hypoxemic respiratory failure in ventilated patients.
PaO2/FiO2 Ratio
Classifies ARDS severity (Berlin criteria).
PERC Rule
Rules out PE without further testing in low-probability patients.
PSI / PORT Score
20-variable pneumonia mortality risk score.
Respiratory Rate Status
Classifies RR as normal/brady/tachypneic for age.
Wells' Criteria for DVT
Pre-test probability of DVT.
Wells' Criteria for Pulmonary Embolism
Pre-test probability of PE.
Related Categories
About Respiratory Calculators
Pneumonia, PE, and oxygenation calculators. This category currently includes 10 published calculators, each using a referenced clinical formula with a clear result and interpretation. Browse the full list above, or return to all Medical Calculators.
