Clinical Calculators
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.
All Calculators
(25)qSOFA
Quick SOFA Score
Bedside assessment tool for identifying patients with suspected infection who are at risk for sepsis.
SOFA
Sequential Organ Failure Assessment
ICU scoring system that assesses organ dysfunction across 6 organ systems to diagnose sepsis and predict mortality.
NEWS2
National Early Warning Score 2
Standardized assessment of acute illness severity used across the UK NHS to detect clinical deterioration.
GCS
Glasgow Coma Scale
Standardized scale for assessing level of consciousness based on eye, verbal, and motor responses.
APACHE II
APACHE II Score
Predicts ICU mortality based on acute physiology, age, and chronic health status.
CHA₂DS₂-VASc
CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk
Calculates stroke risk in patients with atrial fibrillation to guide anticoagulation therapy.
HEART
HEART Score for Major Cardiac Events
Predicts 6-week risk of major adverse cardiac events (MACE) in ED patients with chest pain.
TIMI STEMI
TIMI Risk Score for STEMI
Estimates 30-day mortality in patients with ST-elevation myocardial infarction.
HAS-BLED
HAS-BLED Score for Major Bleeding Risk
Estimates risk of major bleeding for patients on anticoagulation for atrial fibrillation.
FRS
Framingham Risk Score
Estimates 10-year risk of developing cardiovascular disease based on traditional risk factors.
ASCVD
ASCVD Risk Estimator (Pooled Cohort Equations)
Estimates 10-year risk of atherosclerotic cardiovascular disease using the ACC/AHA Pooled Cohort Equations.
Wells PE
Wells' Criteria for Pulmonary Embolism
Clinical prediction rule to estimate the pre-test probability of pulmonary embolism.
CURB-65
CURB-65 Score for Pneumonia Severity
Estimates mortality risk in community-acquired pneumonia to help determine inpatient vs outpatient treatment.
sPESI
Simplified PESI (sPESI) for Pulmonary Embolism
Simplified Pulmonary Embolism Severity Index for risk stratification and mortality prediction in PE.
MELD-Na
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
Child-Pugh Score for Cirrhosis Severity
Classifies severity of cirrhosis and predicts surgical mortality and prognosis.
PHQ-9
PHQ-9 (Patient Health Questionnaire-9)
Screens for depression severity and monitors treatment response.
GAD-7
GAD-7 (Generalized Anxiety Disorder 7-item)
Screens for generalized anxiety disorder and assesses severity.
4Ts HIT
4Ts Score for Heparin-Induced Thrombocytopenia
Estimates pre-test probability of heparin-induced thrombocytopenia (HIT).
Centor
Centor Score (Modified/McIsaac) for Strep Pharyngitis
Estimates probability of streptococcal pharyngitis to guide testing and antibiotic decisions.
Ottawa Ankle
Ottawa Ankle Rules
Determines need for X-ray in ankle/midfoot injuries to rule out fracture.
APGAR
APGAR Score for Newborns
Assesses newborn health at 1 and 5 minutes after birth.
Bishop
Bishop Score for Cervical Favorability
Assesses cervical readiness for labor induction and predicts likelihood of vaginal delivery.
Apfel
Apfel Score for PONV Risk
Predicts risk of postoperative nausea and vomiting to guide antiemetic prophylaxis.
MMSE
MMSE (Mini-Mental State Examination)
Screens for cognitive impairment and dementia. Assesses orientation, memory, attention, language, and visuospatial skills.
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