INTRO    EQUATIONS    CRITERIA    DECISION    CONVERT    SPECIALTIES    REFS    SEARCH    NEW    FHIR APP    POLICIES    CONTACT

 
Specialty Index: Critical Care
 

Medical Equations

 

A-a Gradient

a/A Ratio

Allowable Blood Loss

Anion Gap in Hypoalbumin States

Anion Gap

Base Excess Determination

Blood Ethanol Concentration Estimation

Burn Injury Fluid Resuscitation, Adult (Parkland crystalloid estimate)

Calcium Correction in Hypoalbuminemia (SI units)

Calcium Correction in Hypoalbuminemia

Cardiac Output MultiCalc

Cardiac Output Using Oxygen Saturation Data Only

Cardiac Output

Endotracheal tube size for children (Age 1 to 8 years)

Estimated Blood Volume

Fractional Excretion of Calcium (FECa)

Fractional Excretion of Sodium (FENa)

Fractional Excretion of Sodium (FENa, SI units)

Glomerular Filtration Rate Estimation (eGFR) by Quadratic Equation

Gravity Flow Rate Calculator

Injury Severity Score (ISS)

Maintenance fluid calculation for children based on daily fluid requirements

Maintenance Fluid Calculation for Children Based on Hourly Fluid Requirements

Mean Arterial Pressure (MAP) in Adults and Children (conventional or SI units)

MELD 3.0 Score EXCLUDING Serum Albumin

MELD 3.0 Score Including Serum Albumin

MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)

MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12)

MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)

MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12)

MELDNa Score (2016) (SI units)

MELDNa Score (2016)

Osmolal Gap Calculator (SI units)

Osmolal Gap Calculator

Osmolality Estimator (serum)

Oxygen Saturation Estimate from PO2

Oxygenation index in neonates, children, and adults

paO2 / FIO2 Ratio (for MODS Calculation)

PELD Score for End-Stage Liver Disease in patients less than 12 years old (original)

PELD-Cr Score for End-stage Liver Disease in patients less than 12 years old (2023 update)

Pneumothorax Degree of Collapse

Predicted body weight and tidal volume in adults

Pressure Adjusted Heart Rate (For MODS calculation)

Pulse Pressure Variation (percentage)

QT Interval Correction (EKG, Multi-Equation)

Right to Left Shunt Fraction Qs/Qt

ROX Index (Respiratory rate--oxygenation)

Serum Sodium Concentration Change Considering Infused and Excreted Cations

Sodium Concentration Correction for Hyperglycemia (Emmett 2013)(conventional or SI units)

Sodium Correction in Hyperglycemia (Hillier 1999)

Sodium Correction in Hyperglycemia (Katz 1973)

Systolic Pressure Variation (percentage)

Ventilation Index

Water Deficit in Hypernatremia

Winters' Formula for Expected PCO2

 

Clinical Criteria

 

Acetaminophen (Paracetamol) Toxicity Assessment (Original, 1975)

Acetaminophen (Paracetamol) Toxicity Assessment (Revised 2023)

APACHE II Scoring System by Diagnosis

APACHE II Scoring System

Bacterial Meningitis Score for Children

BAP-65 prediction of in-hospital mortality and need for mechanical ventilation in COPD

Bedside Index of Severity in Acute Pancreatitis (BISAP) Score

BODE Index for COPD survival prediction in adults

CIP (Critical Illness Prediction) Score

CIWA-Ar Clinical Institute Withdrawal Assessment for Alcohol scale

Clinical Grading to Predict Malignant Hyperthermia

Clinical Opioid Withdrawal Scale (COWS) for adults and adolescents

Clinical Pulmonary Infection Score (CPIS)

Community-acquired pneumonia severity index (PSI) for adults

Coronary Artery Disease Risk Clinical Assessment (Duke study)

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 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 FAPIC Score for Vaccine Induced Thrombotic Thrombocytopenia Syndrome

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 M-CHA(2)DS(2)-VASc Score

COVID-19 Severity by Shock Index and Modified Shock Index

COVID-19 SOARS Score

COVID-19 Symptom-Based C19 Rule for Diagnosis

CURB Pneumonia Severity Score

CURB-65 Pneumonia Severity Score

DIC Score

ELBW Infant Prognosis Prediction

Embolic Risk (ER) French Score in Infective Endocarditis

Endocarditis Diagnostic Criteria -- Duke Criteria

Endocarditis Diagnostic Criteria -- Modified Duke Criteria

EuroSCORE for Cardiac Surgery Risk Assessment (1999 additive version)

Geneva Risk Score for Venous Thromboembolism in Hospitalized Medical Patients

Glasgow Alcoholic Hepatitis Score

Glasgow Blatchford Score for Gastrointestinal Bleeding

Glasgow Coma Scale in Adults

GRACE 2.0 Score for Acute Coronary Syndrome Prognosis (non-linear model 2014)

GRACE Score for Acute Coronary Syndrome Prognosis (2004)

GRACE Score for Acute Coronary Syndrome Prognosis (linear model 2003)

Gupta postoperative respiratory failure risk in adults

Heart Failure Diagnosis

Heparin Induced Thrombocytopenia 4 Ts Score

ICE Score: Immune Effector Cell-Associated Encephalopathy

Intracerebral Hemorrhage Score

Intracranial Bleeding Risk from Thrombolytic Therapy of MI

Lower GI Bleeding and Risk of Severe Bleeding

Mangled Extremity Severity Score (MESS score)

MEDS Score: Mortality in ER Sepsis

MMRC: Modified Medical Research Council Scale for Dyspnea

Modified Fisher Scale for Subarachnoid Hemorrhage

Modified Wells score for deep vein thrombosis (DVT)

Mortality Probability Admission Model (MPM0-III) for critical illness in adults

Mortality risk in postoperative adult patients with cirrhosis

MuLBSTA Score to Predict Mortality in Viral Pneumonia

Multinational Association for Supportive Care in Cancer (MASCC) risk index for patients with neutropenic fever

Multiple Organ Dysfunction Score (MODS)

National Early Warning Score 2 (NEWS2)

Newborn Hyperbilirubinemia Assessment (original, 2004)

Newborn hyperbilirubinemia assessment for infants born at 35 weeks or more gestation (2022 update)

NIH Stroke Score

Non Q Wave Myocardial Infarction Prediction

Ottawa Heart Failure Risk Scale

Ottawa Subarachnoid Hemorrhage (SAH) Rule

Padua Score for Assessing Venous Thromboembolism Risk in Hospitalized Patients

Palliative Prognostic Score in Terminal Illness

Pancreatitis Prognosis Criteria When Disease Due To Gallstones

Pancreatitis Prognosis Criteria

PERC Rule for the Assessment of Possible Pulmonary Embolism

PLASMIC Score for Estimating the Likelihood of Severe ADAMTS13 Deficiency in Adults with Suspected TTP

Pneumonia Mortality Predictor In the Elderly

Pneumonia Risk in Post Operative Period of Non-Cardiac Surgery

POSSUM Score for Orthopedic Procedure Prognosis

PTCA Complication Prediction Score (death, MI, urgent bypass)

PTCA Mortality Prediction

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

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

Rockall Score for Upper Gastrointestinal Bleeding

SAPS II: Simplified Acute Physiology Score II

SAVE Score: Survival After Veno-Arterial ECMO

SCORTEN Prediction of Mortality in Toxic Epidermal Necrolysis

Sequential Organ Failure Assessment (Modified): mSOFA Score

Sequential Organ Failure Assessment (Quick): qSOFA Score

Sequential Organ Failure Assessment: SOFA Score

Simplified Pulmonary Embolism Severity Index (sPESI)

SIRS Criteria: Systemic Inflammatory Response Syndrome

SMART COP Score for Pneumonia Severity

SMRT CO Score for Pneumonia Severity

Thrombolysis in Myocardial Infarction (TIMI) Score for ST Elevation Acute Myocardial Infarction

Thrombolysis in Myocardial Infarction (TIMI) Score for Unstable Angina Non ST Elevation Myocardial Infarction

Unstable Angina and Tirofiban Benefit Prediction

Unstable Angina Outcome Prediction

Unstable Angina Risk Stratification (Piombo)

Unstable Angina Risk Stratification (Solomon)

Wilson Score for Prediction of Difficult Intubation

 

Decision Trees

 

Asthma Hospitalization One Year Risk TreeCalc

Heart Failure Clinical Prediction Rule

Left Ventricular Capture Loss in Resynchronization Biventricular Pacing TreeCalc

SARS (Severe Acute Respiratory Distress Syndrome) CDC Case Definition (4/20/2003) TreeCalc