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Specialty Index: Emergency Medicine
 

Medical Equations

 

Acute Heart Failure Prediction Based on NT-proBNP and Clinical Features

Allowable Blood Loss

Anion Gap Delta Delta Gradient Multicalc

Anion Gap Delta Delta Ratio Multicalc

Anion Gap

Blood Ethanol Concentration Estimation

Burn Injury Fluid Resuscitation (Brooke estimate)

Burn Injury Fluid Resuscitation (Demling dextran estimate)

Burn Injury Fluid Resuscitation (Evans estimate)

Burn Injury Fluid Resuscitation (Modified Brooke crystalloid estimate)

Burn Injury Fluid Resuscitation (Slater estimate)

Burn Injury Fluid Resuscitation, Adult (Parkland crystalloid estimate)

CSF Protein Concentration Correction in Blood Contaminated CSF

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

Estimated Blood Volume

Estimated Date of Delivery (EDD) by LMP and Ultrasound

Osmolal Gap Calculator (SI units)

Osmolal Gap Calculator

Osmolality Estimator (serum)

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

Phenytoin Free (Unbound) Drug Level (Adjusted for Hypoalbuminemia, Dasgupta, 1991)

Phenytoin Total Drug Level (Adjusted for Hypoalbuminemia and Renal Function)

Pneumothorax Degree of Collapse

Pregnancy Gestation by LMP and Ultrasound Biometry

QT Interval Correction (EKG, Bazett Equation)

QT Interval Correction (EKG, Multi-Equation)

ROX Index (Respiratory rate--oxygenation)

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

Sodium Correction in Hyperglycemia (Hillier 1999)

Sodium Correction in Hyperglycemia (Katz 1973)

Urine anion gap

Water Deficit in Hypernatremia

 

Clinical Criteria

 

ABCD Rule Predicting Stroke Within 7 Days of a TIA

ABCD2 Score to Predict Stroke Risk after TIA

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

CAGE Criteria for Potential Excessive Alcohol Use

Canadian Head CT Rule for Minor Head Injury

Chest Pain Risk Assessment in Patients with Normal Troponin and No ST-T Changes

Chest Pain Score

CIP (Critical Illness Prediction) Score

Clinical Opioid Withdrawal Scale (COWS) for adults and adolescents

Community-acquired pneumonia severity index (PSI) for adults

Coronary Artery Disease Risk Clinical Assessment (Duke study)

COVID-19 and the Systemic Immune-Inflammation Index (SII)

COVID-19 Quick Severity Index (qCSI)

COVID-19 RISE UP Score for Emergency Department Patients 65 Years Old and Older

COVID-19 Simplified HOSPITAL Score for Readmission Risk

CURB Pneumonia Severity Score

CURB-65 Pneumonia Severity Score

DVT Probability: Ambulatory Score System (Constans, 2003 paper)

DVT Probability: Kahn Score System

DVT Probability: St. Andre Score System

DVT Probability: Wells Score System

Heart Failure Diagnosis

INTERCHEST Score for Chest Pain Risk Assessment

Intracerebral Hemorrhage Score

Intracranial Bleeding Risk from Thrombolytic Therapy of MI

M.I. Criteria for Likelihood in Chest Pain with LBBB

MEDS Score: Mortality in ER Sepsis

Migraine Screener

Migraine With Aura Diagnostic Criteria

Migraine Without Aura Diagnostic Criteria

Modified Fisher Scale for Subarachnoid Hemorrhage

MuLBSTA Score to Predict Mortality in Viral Pneumonia

New Orleans Head CT Criteria

NIH Stroke Score

Non Q Wave Myocardial Infarction Prediction

Ottawa Ankle Rule for the Use of X-Ray in Ankle Injury

Ottawa Foot Rule for the Use of X-Ray in Foot Injury

Ottawa Heart Failure Risk Scale

Ottawa Knee Rule for use of X Ray in Knee Injury

Ottawa Subarachnoid Hemorrhage (SAH) Rule

Panic Disorder Screener

PERC Rule for the Assessment of Possible Pulmonary Embolism

Pneumonia Mortality Predictor In the Elderly

Pulmonary Embolism Severity Index (PESI)

Pulmonary Embolism Wells Score

RESP Score for ECMO Survival Prediction

Revised Geneva Score for Estimation of the Clinical Probability of Pulmonary Embolism in Adults

ROSE Score: Risk Stratification of Syncope in the Emergency Department

Sequential Organ Failure Assessment (Modified): mSOFA Score

Sequential Organ Failure Assessment (Quick): qSOFA Score

Sequential Organ Failure Assessment: SOFA Score

SMART COP Score for Pneumonia Severity

SMRT CO Score for Pneumonia Severity

Syncope Risk Prediction

TIA Prognosis: Risk of Stroke by 90 Days After Presentation

Unstable Angina Risk Stratification (Piombo)

Unstable Angina Risk Stratification (Solomon)

Westley croup severity score (appropriate for use in children ≤6 years of age)

Wilson Score for Prediction of Difficult Intubation

 

Decision Trees

 

Ectopic Pregnancy Risk Estimation TreeCalc

Heart Failure Clinical Prediction Rule

Inferior Wall Myocardial Infarction Diagnosis TreeCalc

M.I. Prediction Decision TreeCalc

PECARN Head Trauma Head CT Decision Tree

Pittsburgh Knee Rule for X-Ray Evaluation of Knee Injury TreeCalc

Rabies Post Exposure Prophylaxis (PEP) TreeCalc

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

Smallpox Risk Assessment (CDC version 1.0, 2002) TreeCalc