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, 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
Lactate-Albumin Ratio (LAR) in Severe Pancreatitis with Acute Kidney Injury
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
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, 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
Lactate-Albumin Ratio (LAR) in Severe Pancreatitis with Acute Kidney Injury
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
Alvarado Score for Acute Appendicitis
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
Cervical Spine Injury Prediction in Blunt Trauma
Chest Pain Risk Assessment in Patients with Normal Troponin and No ST-T Changes
Chest Pain Score
CIP (Critical Illness Prediction) Score
CLIF-SOFA score for adults with acute-on-chronic liver disease
Clinical Opioid Withdrawal Scale (COWS) for adults and adolescents
Community-acquired pneumonia severity index (PSI) for adults
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
HEART Score
Hospital-Acquired Venous Thromboembolism Risk (HA-VTE) Prediction
INTERCHEST Score for Chest Pain Risk Assessment
International Early Warning System (IEWS)
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
Naranjo Algorithm for Adverse Drug Reactions
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
Rib Score Predicting Complications from Rib Fractures
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
Sequential Organ Failure Assessment: SOFA-2 Score
Smallpox Risk Assessment (CDC 2025)
SMART COP Score for Pneumonia Severity
SMRT CO Score for Pneumonia Severity
Syncope Risk Prediction
T-MACS Troponin-Only Manchester Acute Coronary Syndrome 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
ABCD2 Score to Predict Stroke Risk after TIA
Alvarado Score for Acute Appendicitis
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
Cervical Spine Injury Prediction in Blunt Trauma
Chest Pain Risk Assessment in Patients with Normal Troponin and No ST-T Changes
Chest Pain Score
CIP (Critical Illness Prediction) Score
CLIF-SOFA score for adults with acute-on-chronic liver disease
Clinical Opioid Withdrawal Scale (COWS) for adults and adolescents
Community-acquired pneumonia severity index (PSI) for adults
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
HEART Score
Hospital-Acquired Venous Thromboembolism Risk (HA-VTE) Prediction
INTERCHEST Score for Chest Pain Risk Assessment
International Early Warning System (IEWS)
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
Naranjo Algorithm for Adverse Drug Reactions
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
Rib Score Predicting Complications from Rib Fractures
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
Sequential Organ Failure Assessment: SOFA-2 Score
Smallpox Risk Assessment (CDC 2025)
SMART COP Score for Pneumonia Severity
SMRT CO Score for Pneumonia Severity
Syncope Risk Prediction
T-MACS Troponin-Only Manchester Acute Coronary Syndrome 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
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
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