A-a Gradient
 
a/A Ratio
 
AaPO2 Correction for FIO2
 
Base Excess Determination
 
Carbon Dioxide Production
 
Closing Capacity to Total Lung Volume Capacity
 
Closing Capacity
 
Closing Volume to Vital Capacity Ratio
 
Diffusing capacity for carbon monoxide (DLCO) corrected for anemia
 
Diffusing capacity for carbon monoxide (DLCO) correction of predicted value for anemia (SI units)
 
Functional Residual Capacity
 
Gorlin Formula for Valve Area
 
Henderson-Hasselbach Equation
 
In-Flight PaO2 Estimation (using PFT's)
 
In-Flight PaO2 Estimation
 
Inspiratory Capacity
 
International Normalized Ratio of Prothrombin Time (INR)
 
Lung Age Estimation for Smoking Cessation Counseling
 
Lung Volume Multicalc
 
Mean Arterial Pressure (MAP) in Adults and Children (conventional or SI units)
 
Mean Vascular Pressure (systemic or pulmonary)
 
Nasal Cannula Oxygen Fractional Inspired O₂ (FiO₂) Estimate
 
Oxygen Consumption
 
Oxygen Content of Arterial Blood
 
Oxygen Content of Venous Blood
 
Oxygen Saturation Estimate from PO2
 
Oxygenation index in neonates, children, and adults
 
paO2 / FIO2 Ratio (for MODS Calculation)
 
PaO2 Correction for FIO2
 
Peak Expiratory Flow Prediction in adults
 
Peak expiratory flow prediction in females (18 to 85 years)
 
Peak expiratory flow prediction in females (5 to <18 years)
 
Peak expiratory flow prediction in males (18 to 85 years)
 
Peak expiratory flow prediction in males, 5 to <18 years
 
Peak Expiratory Flow Variability in Asthma
 
PFT Adjusted Predicted Values for Men MultiCalc
 
PFT Adjusted Predicted Values for Women MultiCalc
 
PFT predicted values by 2022 race-neutral GLI equations, ages 3 to 95
 
PFT Predicted Values for Boys MultiCalc
 
PFT Predicted Values for Girls MultiCalc
 
PFT Predicted Values for Men MultiCalc
 
PFT Predicted Values for Women MultiCalc
 
Pneumothorax Degree of Collapse
 
Predicted body weight and tidal volume in adults
 
Predicted postoperative FEV1 following lung resection surgery (anatomic method)
 
Predicted postoperative FEV1 following lung resection surgery (perfusion method)
 
Pulmonary Vascular Resistance
 
Residual Volume to Total Lung Capacity Ratio
 
Respiratory Quotient
 
Right to Left Shunt Fraction Qs/Qt
 
ROX Index (Respiratory rate--oxygenation)
 
Systemic Vascular Resistance
 
Total Lung Capacity
 
Ventilation Index
 
Vital Capacity
 
Winters' Formula for Expected PCO2
 

APACHE II Scoring System by Diagnosis
 
APACHE II Scoring System
 
BAP-65 prediction of in-hospital mortality and need for mechanical ventilation in COPD
 
Bleeding Risk (any bleeding complication) on Warfarin Therapy
 
Bleeding Risk (major complication) on Warfarin Therapy
 
BODE Index for COPD survival prediction in adults
 
CIP (Critical Illness Prediction) Score
 
Clinical Pulmonary Infection Score (CPIS)
 
Community-acquired pneumonia severity index (PSI) for adults
 
COPD Assessment Test (CAT)
 
COVID-19 ABC₂-SPH Score
 
COVID-19 AID Score
 
COVID-19 and the Prognostic Nutrition Index (PNI)
 
COVID-19 and the Systemic Immune-Inflammation Index (SII)
 
COVID-19 CALL Score
 
COVID-19 CHOD Score for Estimating Risk of Inpatient Pulmonary Embolism
 
COVID-19 Critical Illness Predictor (Liang 5/12/2020)
 
COVID-19 Criticality Prediction (Yan 3/3/2020)
 
COVID-19 Inflammation Score for Disease Severity
 
COVID-19 ISARIC C4 Score
 
COVID-19 Kuwait Progression Score
 
COVID-19 MMCD Score to Predict Need for Dialysis
 
COVID-19 Mortality Risk Estimation (Zhou 3/11/2020)
 
COVID-19 Obesity and Diabetes Score
 
COVID-19 PAWNN Score
 
COVID-19 PRIORITY Score
 
COVID-19 Quick Severity Index (qCSI)
 
COVID-19 RISE UP Score for Emergency Department Patients 65 Years Old and Older
 
COVID-19 SCOPE Score to Predict Severe Respiratory Failure
 
COVID-19 SEIMC Score
 
COVID-19 Severity by Shock Index and Modified Shock Index
 
COVID-19 Simplified HOSPITAL Score for Readmission Risk
 
COVID-19 SOARS Score
 
COVID-19 Symptom-Based C19 Rule for Diagnosis
 
CURB Pneumonia Severity Score
 
CURB-65 Pneumonia Severity Score
 
DVT Probability: Ambulatory Score System (Constans, 2003 paper)
 
DVT Probability: Kahn Score System
 
DVT Probability: Primary Care Rule Including D-dimer
 
DVT Probability: St. Andre Score System
 
DVT Probability: Wells Score System
 
Epworth Sleepiness Scale (ESS)
 
Geneva Risk Score for Venous Thromboembolism in Hospitalized Medical Patients
 
Gupta postoperative pneumonia risk in adults
 
Gupta postoperative respiratory failure risk in adults
 
Gurd's Diagnostic Criteria for Fat Embolism Syndrome
 
Light's Criteria for Exudative Pleural Effusion
 
Lung Cancer One Year Risk Estimation (for smokers 50-75 years old)
 
Lung Cancer Risk Estimation in Current and Past Smokers (6-year)
 
MMRC: Modified Medical Research Council Scale for Dyspnea
 
Modified Wells score for deep vein thrombosis (DVT)
 
MuLBSTA Score to Predict Mortality in Viral Pneumonia
 
Multiple Organ Dysfunction Score (MODS)
 
Mycoplasma Pneumoniae Prediction in Children with Pneumonia
 
Padua Score for Assessing Venous Thromboembolism Risk in Hospitalized Patients
 
PERC Rule for the Assessment of Possible Pulmonary Embolism
 
Pneumonia Mortality in Nursing Home Patients by Logistic Regression
 
Pneumonia Mortality Prediction in Nursing Home Patients (SI Units)
 
Pneumonia Mortality Prediction in Nursing Home Patients
 
Pneumonia Mortality Predictor In the Elderly
 
Pneumonia Probability in Nursing Home Patients
 
Pneumonia Risk in Post Operative Period of Non-Cardiac Surgery
 
Polycythemia Vera Diagnostic Criteria
 
Pulmonary Embolism Risk by Pisa Study (with chest x-ray)
 
Pulmonary Embolism Risk by Pisa Study (without chest x-ray)
 
Pulmonary Embolism Severity Index (PESI)
 
Pulmonary Embolism Wells Score
 
Pulmonary Fibrosis Survival Prediction (CRP Score for abbreviated model)
 
Pulmonary Fibrosis Survival Prediction (CRP score for complete model)
 
RESP Score for ECMO Survival Prediction
 
Respiratory Failure Risk in Adult Males During Post Operative Period of Non-Cardiac Surgery
 
REVEAL PAH Score and Estimated One-Year Survival for Adult Patients with Pulmonary Arterial Hypertension
 
Revised Geneva Score for Estimation of the Clinical Probability of Pulmonary Embolism in Adults
 
Risk of Paradoxical Embolism (RoPE) Score in Adults
 
SAPS II: Simplified Acute Physiology Score II
 
SARS Prognosis Predictor (basic parameters)
 
SARS Prognosis Predictor (with lab and x-ray parameters)
 
SAVE Score: Survival After Veno-Arterial ECMO
 
Simplified Pulmonary Embolism Severity Index (sPESI)
 
SMART COP Score for Pneumonia Severity
 
SMRT CO Score for Pneumonia Severity
 
Solitary Pulmonary Nodule Malignancy Risk (Brock abbreviated model)
 
Solitary Pulmonary Nodule Malignancy Risk (Brock University)
 
Solitary Pulmonary Nodule Malignancy Risk (Cummings prediction model: Bayesian approach)
 
Solitary Pulmonary Nodule Malignancy Risk (Mayo Clinic model)
 
Solitary Pulmonary Nodule Malignancy Risk (Veterans Affairs model)
 
STOP-Bang Enhanced Screening Questionnaire for Obstructive Sleep Apnea (OSA)
 
Tuberculosis Risk Prediction
 

Anthrax Screening for Exposed Patients TreeCalc
 
Arterial Blood Gas Interpretation TreeCalc
 
Asthma Hospitalization One Year Risk TreeCalc
 
Mycoplasma Pneumoniae Prediction TreeCalc
 
SARS (Severe Acute Respiratory Distress Syndrome) CDC Case Definition (4/20/2003) TreeCalc
 

Oxygen Delivery Units Conversions