- Creatinine Clearance (Cockcroft-Gault Equation)
Calculates CrCl according to the Cockcroft-Gault equation.
- CKD-EPI Equations for Glomerular Filtration Rate (GFR)
Estimates GFR based on serum creatinine, serum cystatin C, or both.
- Wells' Criteria for Pulmonary Embolism
Objectifies risk of pulmonary embolism.
- BMI Calculator (Body Mass Index and BSA)
Calculates body mass index and body surface area.
- Calcium Correction for Hypoalbuminemia
Calculates a corrected calcium level for patients with hypoalbuminemia.
- CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk
Calculates stroke risk for patients with atrial fibrillation, possibly better than the
CHADS₂ Score . - NIH Stroke Scale/Score (NIHSS)
Calculates the NIH Stroke Scale for quantifying stroke severity.
- Mean Arterial Pressure (MAP)
Calculates mean arterial pressure.
- HEART Score for Major Cardiac Events
Predicts 6-week risk of major adverse cardiac event.
- Corrected QT Interval (QTc)
Corrects the QT interval for heart rate extremes (choose from Bazett, Fridericia, Framingham, Hodges, or Rautaharju formulas).
- Sodium Correction for Hyperglycemia
Calculates the actual sodium level in patients with hyperglycemia.
- Glasgow Coma Scale (GCS)
Coma severity based on Eye (4), Verbal (5), and Motor (6) criteria.
- Maintenance Fluids Calculations
Calculates maintenance fluid requirements by weight.
- PERC Rule for Pulmonary Embolism
Rules out PE if no criteria are present and pre-test probability is ≤15%.
- Ideal Body Weight and Adjusted Body Weight
Calculates ideal body weight (Devine formula) and adjusted body weight.
- Child-Pugh Score for Cirrhosis Mortality
Estimates cirrhosis severity.
- Free Water Deficit in Hypernatremia
Calculates free water deficit by estimated total body water.
- SIRS, Sepsis, and Septic Shock Criteria
Defines the severity of sepsis and septic shock.
- Revised Cardiac Risk Index for Pre-Operative Risk
Estimates risk of cardiac complications after noncardiac surgery.
- Anion Gap
Evaluates states of metabolic acidosis.
- Fractional Excretion of Sodium (FENa)
Determines if renal failure is due to pre-renal or intrinsic pathology.
- Sequential Organ Failure Assessment (SOFA) Score
Predicts ICU mortality based on lab results and clinical data.
- Wells' Criteria for DVT
Calculates risk of DVT based on clinical criteria.
- CURB-65 Score for Pneumonia Severity
Estimates mortality of community-acquired pneumonia to help determine inpatient vs. outpatient treatment.
- PECARN Pediatric Head Injury/Trauma Algorithm
Predicts need for brain imaging after pediatric head injury.
- ASCVD (Atherosclerotic Cardiovascular Disease) 2013 Risk Calculator from AHA/ACC
Determines 10-year risk of heart disease or stroke.
- Pregnancy Due Dates Calculator
Calculates pregnancy dates from last period, gestational age, or date of conception.
- Serum Osmolality/Osmolarity
Calculates expected serum osmolarity, for comparison to measured osmolarity to detect unmeasured compounds in the serum.
- Arterial Blood Gas (ABG) Analyzer
Interprets ABG.
- HAS-BLED Score for Major Bleeding Risk
Estimates risk of major bleeding for patients on anticoagulation to assess risk-benefit in atrial fibrillation care.
- MDRD GFR Equation
Estimates glomerular filtration rate based on creatinine and patient characteristics.
- Sodium Correction Rate in Hyponatremia and Hypernatremia
Calculates recommended fluid type, rate, and volume to correct hyponatremia slowly (or more rapidly if seizing).
- Canadian CT Head Injury/Trauma Rule
Clears head injury without imaging.
- ASCVD (Atherosclerotic Cardiovascular Disease) Risk Algorithm including Known ASCVD from AHA/ACC
Determines 10-year risk of heart disease or stroke and provides statin recommendations.
- PSI/PORT Score: Pneumonia Severity Index for CAP
Estimates mortality for adult patients with community-acquired pneumonia.
- MELD Score (Original, Pre-2016, Model for End-Stage Liver Disease)
Quantifies end-stage liver disease for transplant planning.
- CIWA-Ar for Alcohol Withdrawal
The CIWA-Ar objectifies severity of alcohol withdrawal.
- Glasgow-Blatchford Bleeding Score (GBS)
Stratifies upper GI bleeding patients who are "low-risk" and candidates for outpatient management.
- Centor Score (Modified/McIsaac) for Strep Pharyngitis
Estimates probability that pharyngitis is streptococcal, and suggests management course.
- GRACE ACS Risk and Mortality Calculator
Estimates admission to 6 month mortality for patients with acute coronary syndrome.
- Steroid Conversion Calculator
Converts steroid dosages using dosing equivalencies.
- ABCD2 Score for TIA
Estimates the risk of stroke after a suspected transient ischemic attack (TIA).
- Alvarado Score for Acute Appendicitis
Predicts likelihood of appendicitis diagnosis.
- APACHE II Score
Estimates ICU mortality.
- MELD Na (UNOS/OPTN)
Quantifies end-stage liver disease for transplant planning with sodium.
- Padua Prediction Score for Risk of VTE
Determines anticoagulation need in hospitalized patients by risk of VTE.
- TIMI Risk Score for UA/NSTEMI
Estimates mortality for patients with unstable angina and non-ST elevation MI.
- HEART Pathway for Early Discharge in Acute Chest Pain
Identifies emergency department patients with acute chest pain for early discharge.
- R Factor for Liver Injury
Differentiates cholestatic from hepatocellular liver injury, recommended by ACG guidelines.
- ARISCAT Score for Postoperative Pulmonary Complications
Predicts risk of pulmonary complications after surgery, including respiratory failure.