Evidence-based clinical decision support tools
Clinical Disclaimer: These calculators are decision support tools only. Always use clinical judgment and consider the individual patient context. Results should not replace proper medical evaluation.
Quick SOFA Score
Bedside assessment tool for identifying patients with suspected infection who are at risk for sepsis.
Sequential Organ Failure Assessment
ICU scoring system that assesses organ dysfunction across 6 organ systems to diagnose sepsis and predict mortality.
National Early Warning Score 2
Standardized assessment of acute illness severity used across the UK NHS to detect clinical deterioration.
Glasgow Coma Scale
Standardized scale for assessing level of consciousness based on eye, verbal, and motor responses.
APACHE II Score
Predicts ICU mortality based on acute physiology, age, and chronic health status.
CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk
Calculates stroke risk in patients with atrial fibrillation to guide anticoagulation therapy.
HEART Score for Major Cardiac Events
Predicts 6-week risk of major adverse cardiac events (MACE) in ED patients with chest pain.
TIMI Risk Score for STEMI
Estimates 30-day mortality in patients with ST-elevation myocardial infarction.
HAS-BLED Score for Major Bleeding Risk
Estimates risk of major bleeding for patients on anticoagulation for atrial fibrillation.
Framingham Risk Score
Estimates 10-year risk of developing cardiovascular disease based on traditional risk factors.
ASCVD Risk Estimator (Pooled Cohort Equations)
Estimates 10-year risk of atherosclerotic cardiovascular disease using the ACC/AHA Pooled Cohort Equations.
Wells' Criteria for Pulmonary Embolism
Clinical prediction rule to estimate the pre-test probability of pulmonary embolism.
CURB-65 Score for Pneumonia Severity
Estimates mortality risk in community-acquired pneumonia to help determine inpatient vs outpatient treatment.
Simplified PESI (sPESI) for Pulmonary Embolism
Simplified Pulmonary Embolism Severity Index for risk stratification and mortality prediction in PE.
MELD-Na Score (Model for End-Stage Liver Disease)
Predicts 90-day mortality in patients with end-stage liver disease. Used for liver transplant allocation.
Child-Pugh Score for Cirrhosis Severity
Classifies severity of cirrhosis and predicts surgical mortality and prognosis.
PHQ-9 (Patient Health Questionnaire-9)
Screens for depression severity and monitors treatment response.
GAD-7 (Generalized Anxiety Disorder 7-item)
Screens for generalized anxiety disorder and assesses severity.
4Ts Score for Heparin-Induced Thrombocytopenia
Estimates pre-test probability of heparin-induced thrombocytopenia (HIT).
Centor Score (Modified/McIsaac) for Strep Pharyngitis
Estimates probability of streptococcal pharyngitis to guide testing and antibiotic decisions.
Ottawa Ankle Rules
Determines need for X-ray in ankle/midfoot injuries to rule out fracture.
APGAR Score for Newborns
Assesses newborn health at 1 and 5 minutes after birth.
Bishop Score for Cervical Favorability
Assesses cervical readiness for labor induction and predicts likelihood of vaginal delivery.
Apfel Score for PONV Risk
Predicts risk of postoperative nausea and vomiting to guide antiemetic prophylaxis.
MMSE (Mini-Mental State Examination)
Screens for cognitive impairment and dementia. Assesses orientation, memory, attention, language, and visuospatial skills.
Access BMI, CKD-EPI, Framingham, PHQ-9, and other screening tools