Clinical Tools
Standalone, localized, evidence-based clinical tools for day-to-day practice.
Abbey Pain Scale for Dementia Patients
Six-domain observational pain scale for adults with dementia who cannot provide a reliable verbal pain report.
Basal Energy Expenditure
Estimates basal energy expenditure in kcal/day using the original Harris-Benedict equations.
Basic statistics
Summarizes a univariate numeric dataset with exact descriptive statistics.
Bastion Classification of Lower Limb Blast Injuries
Classifies complex explosion-related lower-limb injuries by the most proximal extent and associated injuries.
Behavioral Activity Rating Scale (BARS)
Single-item clinician-observed 7-point ordinal scale for behavioral activity.
Barthel Index for Activities of Daily Living (ADL)
Original 10-item Barthel Index scored on a 0–100 scale for actual independence in basic activities of daily living and mobility.
ASCOD Algorithm for Ischemic Stroke
Clinician-facing etiologic phenotyping tool for ischemic stroke.
ASCVD (Atherosclerotic Cardiovascular Disease) 2013 Risk Calculator from AHA/ACC
Educational risk-estimation support for primary prevention discussions only. Interpret the result with full clinical context, guideline scope, and patient preferences.
ASCVD Risk (ACC/AHA Pooled Cohort Equations)
Educational risk-estimation support for primary prevention discussions only. Interpret the result with full clinical context, guideline scope, and patient preferences.
A-a O2 Gradient
Alveolar-arterial oxygen gradient calculator for adults with arterial blood gas data.
2010 ACR/EULAR Classification Criteria for Rheumatoid Arthritis (RA)
Score-based rheumatoid arthritis classification criteria for adults with definite clinical synovitis not better explained by another diagnosis.
2012 ACR/EULAR Classification Criteria for Polymyalgia Rheumatica (PMR)
2012 ACR/EULAR PMR classification criteria with a clinical pathway and an optional ultrasound pathway.
2015 ACR/EULAR Classification Criteria for Gout
Applies the entry criterion, the crystal-based sufficient criterion, and when needed the full weighted gout classification score.
2016 ACR/EULAR Classification Criteria for Primary Sjögren’s Syndrome
2016 ACR/EULAR primary Sjögren’s syndrome classification criteria with five weighted items and explicit exclusion gating.
ACEF II Risk Score for Cardiac Surgery
Parsimonious preoperative risk score for conventional adult cardiac surgery.
Absolute Lymphocyte Count (ALC)
Derives the absolute lymphocyte count from total WBC and lymphocyte percentage on a CBC differential.
Absolute Neutrophil Count (ANC)
Derives ANC from total white blood cell count and the neutrophil differential, adding bands when they are reported separately.
Abuse Assessment Screen (AAS)
Binary pregnancy-focused abuse screen using the canonical 5-item AAS questionnaire.
ACC/AHA Heart Failure Staging
Classifies adults into ACC/AHA Stage A, B, C, or D heart failure using the 2022 framework.
ABC/2 Formula for Intracerebral Hemorrhage Volume
Rapid estimate of spontaneous intracerebral hemorrhage volume on noncontrast head CT.
ABC Score for Massive Transfusion
Rapid trauma score to predict likely need for massive transfusion.
Abbreviated Mental Test (AMT-10)
Brief 10-item cognitive screening tool for older adults, returning the AMT-10 total and the traditional interpretation band.
Abbreviated Mental Test 4 (AMT-4)
Four-item cognitive/orientation screen for adults, especially older adults in acute-care settings.
AAP Pediatric Hypertension Guidelines
Classifies a single office blood pressure reading in patients with exact age >=13 years using the fixed-threshold adolescent pathway from the 2017 AAP guideline.
Bacterial Meningitis Score for Children
Risk-stratifies children with CSF pleocytosis into very-low-risk versus not-very-low-risk groups for bacterial meningitis.
Berlin Criteria for Acute Respiratory Distress Syndrome
Strict 2012 Berlin definition implementation with PaO₂/FiO₂ oxygenation severity classification.
AWOL Score for Delirium
Hospitalized medical inpatients assessed at admission, generally age 50 years or older, without delirium at admission.
Brief Resolved Unexplained Events (BRUE) Criteria for Infants
Infants younger than 1 year being evaluated after a sudden, brief, resolved event, after an appropriate history and physical examination, to determine whether the episode qualifies as a BRUE and whether it meets AAP lower-risk criteria.
CHA2DS2-VASc Score for Atrial Fibrillation Stroke Risk
Historical stroke/thromboembolism risk stratification for adults with atrial fibrillation.
CKD-EPI Equations for Estimated GFR
Estimates adult GFR from standardized serum creatinine using the race-free 2021 CKD-EPI creatinine equation.
Friedewald LDL
Estimates LDL-C from total cholesterol, HDL-C, and triglycerides using the Friedewald equation.
2HELPS2B Score
Electrographic seizure-risk stratification for acutely ill adults undergoing cEEG.
Acute Decompensated Heart Failure National Registry (ADHERE) Algorithm
Three-variable bedside tree for estimating in-hospital mortality during a hospitalization for acute decompensated heart failure.
Adjusted body weight
Adult adjusted body weight calculator for obesity-related dosing contexts using sex, height in centimeters, and total body weight in kilograms.
Adverse Childhood Experiences (ACE) Score
10-item adult ACE questionnaire that returns a cumulative exposure count from 0 to 10.
Adult body mass index BMI
adult BMI calculator using CDC adult categories, age, height, and weight.
Age-Adjusted D-dimer for Venous Thromboembolism (VTE)
Calculates the age-adjusted D-dimer threshold for suspected PE in adults with low/intermediate or nonhigh pretest probability.
Age-adjusted ESR/CRP for rheumatoid arthritis
Calculates age- and sex-adjusted upper limits of normal for ESR and CRP in rheumatoid arthritis context.
AIMS65 Score for Upper GI Bleeding Mortality
Five-criterion score for in-hospital mortality prognostic stratification in adults with acute upper GI bleeding.
AKIN Classification for Acute Kidney Injury (AKI)
Historical AKIN staging for adults using optional creatinine, urine-output, and renal replacement therapy inputs.
ALBI Grade (Albumin-Bilirubin) for Hepatocellular Carcinoma (HCC)
Calculates the continuous ALBI score and corresponding ALBI grade in adults with hepatocellular carcinoma.
BCLC Staging Classification and Treatment Guidance
Classifies hepatocellular carcinoma using the 2022 BCLC framework and presents the associated broad initial treatment class.
BARD Score for NAFLD Fibrosis
Stratifies advanced-fibrosis risk in NAFLD using BMI, AST/ALT ratio, and diabetes mellitus.
Aldrete Score for Post-Anesthesia Recovery
Adult post-anesthesia recovery scoring with an explicit MAS or PARSAP branch.
Prueba de las 4 A para cribado de delirium (4AT)
Rapid delirium screening in adults, with strongest validation in older adults.
4C Mortality Score for COVID-19
Predicts in-hospital mortality in adults admitted with COVID-19 using 8 admission variables.
Puntuación 4Ts para trombocitopenia inducida por heparina
Pretest score to estimate the probability of immune-mediated heparin-induced thrombocytopenia.
ABCD² Score for TIA
Historical very-early stroke-risk stratification after transient ischemic attack using the original ABCD² score.
Alberta Stroke Program Early CT Score (ASPECTS)
Ten-point topographic score for early ischemic change on non-contrast head CT in MCA territory stroke.
ABIC Score for Alcoholic Hepatitis
Baseline prognostic stratification for adults with alcoholic hepatitis using age, bilirubin, creatinine, and INR.
Abnormal Involuntary Movement Scale (AIMS)
Captures the 14 canonical AIMS items and calculates only the items 1-7 motor subtotal.
ACEP ED COVID-19 Management Tool
ACEP Step 1 illness-severity classifier for symptomatic adults with suspected or confirmed COVID-19 in the emergency department.
Acetaminophen Overdose and NAC Dosing
FDA-aligned IV acetylcysteine dosing for a narrow single acute acetaminophen ingestion pathway with known time.
ACTION ICU Score for Intensive Care in NSTEMI
Estimates the risk of in-hospital complications requiring ICU-level care in initially stable adults with NSTEMI.
Acute Gout Diagnosis Rule
Seven-item rule to estimate gout probability in adults with acute monoarthritis when crystal analysis is unavailable.
Acute Interstitial Nephritis (AIN) Risk Calculator
Logistic model to estimate the prebiopsy probability of biopsy-proven AIN in adults already selected for nephrology or native-kidney-biopsy evaluation.
Acute Pancreatitis Prediction Model
Pre-imaging diagnostic score for adults with suspected acute pancreatitis and serum lipase >=3x ULN.
Acute Renal Failure after Cardiac Surgery (Thakar Score)
Preoperative point score for dialysis-requiring acute renal failure risk after adult cardiac surgery.
ADA Diabetes Risk Test
Seven-ítem ADA/CDC questionnaire for screening adults for elevated prediabetes or type 2 diabetes risk.
ADAPT Protocol for Cardiac Event Risk
Binary classification of the original ADAPT chest-pain protocol using TIMI, ECG findings, and 0-hour and 2-hour troponin status.
Additional Nodal Metastasis Nomogram
Estimates the probability of additional axillary non-sentinel lymph-node metastasis after a positive sentinel lymph-node biopsy.
Adult Self-Report Scale (ASRS v1.1) for ADHD
Standalone ASRS v1.1 Part A screener for adult ADHD using the official 6-item positive-threshold map.
Alvarado Score for Acute Appendicitis
8-item MANTRELS score for suspected acute appendicitis with low-, intermediate-, and high-risk bands.
ALT-70 Score for Cellulitis
Helps differentiate lower-extremity cellulitis from pseudocellulitis in adults.
Altitude-Adjusted PERC Rule
Bedside check of the published high-altitude PERC variant using SpO2 >=90% in the original study setting.
American Urological Association Symptom Index (AUA-SI)/International Prostate Symptom Score (IPSS)
Lower urinary tract symptom questionnaire for adults, with a 0-35 symptom total and an optional separate quality-of-life item.
Ankylosing Spondylitis Disease Activity Score with CRP (ASDAS-CRP)
Composite disease-activity index for ankylosing spondylitis or axial spondyloarthritis using CRP.
Ankylosing Spondylitis Disease Activity Score with ESR (ASDAS-ESR)
Composite disease-activity index for ankylosing spondylitis or axial spondyloarthritis using ESR.
Antivenom Dosing Algorithm
Three-branch CroFab pathway for symptomatic North American crotalid envenomation in the United States.
Aortic Dissection Detection Risk Score (ADD-RS)
Pretest-probability score for acute aortic syndrome in adults assessed in emergency or acute care.
APACHE II Score
Critically ill adults admitted to an ICU; original validation used 5,815 ICU admissions from 13 hospitals and the score is based on initial/worst first-24-hour data.
Apfel Score for Postoperative Nausea and Vomiting
Adults undergoing surgery with inhalational/general anesthesia, used to estimate nausea or vomiting within 24 hours after surgery.
APGAR Score
Sums the five classic APGAR domains and returns the raw 0-10 newborn total.
Appendicitis Inflammatory Response (AIR) Score
Clinical and laboratory score that supports assessment of suspected acute appendicitis.
Academic Research Consortium for High Bleeding Risk (ARC-HBR) Criteria
Consensus classification of bleeding risk in adults undergoing percutaneous coronary intervention.
ARISCAT Score for Postoperative Pulmonary Complications
Adults undergoing elective or emergency surgery with general, neuraxial, regional, or plexus block anesthesia for estimation of in-hospital postoperative pulmonary complication risk.
Arterial Blood Gas (ABG) Analyzer
Adult arterial acid-base interpretation from pH, PaCO2, and bicarbonate.
AST to Platelet Ratio Index (APRI)
Calculates APRI to support non-invasive assessment of liver fibrosis in the appropriate clinical context.
ATLAS Score for Clostridium Difficile Infection
Calculates the ATLAS score for treatment-response prognosis in established Clostridium difficile infection.
AUDIT-C for Alcohol Use
Three-question AUDIT-C screen for hazardous alcohol use in adults.
ASA Physical Status/ASA Classification
Patients of any age receiving anesthesia care after preanesthesia evaluation, when a clinician has already assigned an ASA Physical Status class.
ASAS Criteria for Axial Spondyloarthritis (SpA)
Applies the published 2009 ASAS classification criteria for axial spondyloarthritis through the imaging or HLA-B27 clinical arm.
ASAS Criteria for Peripheral SpondyloArthritis (SpA)
Patients being classified for peripheral spondyloarthritis who currently have peripheral arthritis and/or enthesitis and/or dactylitis. The main supporting study enrolled newly referred, undiagnosed patients whose peripheral manifestations usually began before 45 years of age.
ASCVD risk algorithm including known ASCVD
Legacy AHA/ACC pathway for known ASCVD, LDL-C thresholds, diabetes, and 10-year PCE risk.
Asthma Impairment and Risk Questionnaire (AIRQ)
A 10-question tool for classifying asthma control in people aged 12 years and older with diagnosed asthma.
Questionário de Saúde do Doente-9 (PHQ-9)
Sums the nine standard English PHQ-9 items and presents the source-native severity category.
Asthma Predictive Index (API)
Standalone implementation of the original stringent API to estimate future school-age asthma risk in young children with early wheezing.
ASTRAL Score for Ischemic Stroke
Admission score for estimating 3-month unfavorable functional outcome after acute ischemic stroke.
Asymptomatic Myeloma Prognosis
For clinician use as a legacy prognostic aid; verify inputs and interpret alongside current specialist assessment.
ATRIA Bleeding Risk Score
Patients with atrial fibrillation receiving warfarin anticoagulation, consistent with the ATRIA derivation cohort.
ATRIA bleeding score
Educational bleeding-risk estimate only. Confirm every ATRIA input clinically and do not use the score as the sole reason to withhold anticoagulation.
ATRIA Stroke Risk Score
Patients with nonvalvular atrial fibrillation undergoing thromboembolic risk stratification; source cohorts were evaluated during time off warfarin.
Atropine Dosing for Cholinesterase Inhibitor Toxicity
Standalone starting-dose aid with a pediatric weight-based branch, adult fixed range, and optional maintenance infusión estimate.
American University of Beirut (AUB)-HAS2 Cardiovascular Risk Index
Preoperative index for cardiovascular risk assessment in adults undergoing noncardiac surgery.
Australian Type 2 Diabetes Risk (AUSDRISK) Assessment Tool
Australian 12-item questionnaire that estimates 5-year risk of developing type 2 diabetes.
BALL Score for Relapsed/Refractory CLL
Previously treated patients with relapsed/refractory chronic lymphocytic leukemia being assessed for overall-survival risk; the derivation report described use across targeted therapies and chemoimmunotherapy.
BAP-65 Score for Acute Exacerbation of COPD
Patients presenting to the emergency department or hospitalized with an acute exacerbation of COPD, using admission-time clinical data.
CRB-65 Score for Pneumonia Severity
Urea-free CRB-65 score for severity assessment in adults with community-acquired pneumonia.
BeAM Value
Difference between bedtime glucose and next-morning fasting glucose in adults with type 2 diabetes using basal insulin.
Bicarbonate Deficit
Estimates total bicarbonate deficit in adults with metabolic acidosis using the fixed 0.5 bedside formula and a clinician-selected target.
Assure Renal Cell Carcinoma (RCC) Prognosis
Postoperative ASSURE prognostic model for disease-free and overall survival after resection of intermediate- or high-risk localized RCC.
Barnes Jewish Hospital Stroke Dysphagia Screen
Educational screening support only. Interpret this bedside screen within an adult acute-stroke clinical pathway; a failed screen requires appropriate formal swallowing evaluation and does not diagnose dysphagia or aspiration.
Behavioral Observational Pain Scale (BOPS) for Post-Op Pediatric Pain
Observational postoperative pediatric pain score based on facial expression, verbalization, and body position.
Behavioral Pain Scale (BPS) for Pain Assessment in Intubated Patients
Observational ICU pain assessment tool for intubated, mechanically ventilated adults who cannot reliably self-report pain.
Benzodiazepine Conversion Calculator
For clinician review only. This approximate conversion does not replace prescribing information or individualized clinical judgment.
Berg Balance Scale (BBS)
Sum of the 14 Berg Balance Scale items, with each item scored from 0 to 4 and a total range of 0 to 56 points.
Binet Staging System for Chronic Lymphocytic Leukemia (CLL)
Classifies CLL as stage A, B, or C using involved areas and strict anemia or thrombocytopenia thresholds.
BISAP Score for Pancreatitis Mortality
Five-component score for early stratification of in-hospital mortality risk in acute pancreatitis.
SCORE2
Sex-specific, regionally recalibrated SCORE2 estimate of 10-year CVD risk.
SCORE2-Older Persons
SCORE2-OP estimate of 10-year incident cardiovascular disease risk for older European adults.
Wells Criteria for Pulmonary Embolism
Original weighted Wells score for pulmonary embolism with three-tier and two-tier interpretations.
Glasgow-Blatchford Bleeding Score
Original weighted pre-endoscopy score for acute upper gastrointestinal bleeding.
