Clinical reference
Explore validated-style scores and utilities commonly used in Cardiology. Follow links for full references, limitations, and the interactive calculator.
Search all tools (filters) →Major/minor checklist aligned with the 2023 Duke–ISCVID update (expanded microbiology and multimodality imaging) using operational definite/possible thresholds.
Infectious Disease · Updated 4/13/2026
Phenotype staging from at-risk (A) through advanced symptomatic HF (D) with ACC/AHA 2022-style definitions.
Heart Failure · Updated 4/13/2026
Age/LVEF ratio + creatinine >2, emergency surgery, and hematocrit <36% anemia term (Ranucci).
Cardiac Surgery · Updated 4/13/2026
Risk stratification for ICU-level complications in NSTEMI.
Risk Scores · Updated 4/13/2026
Bedside risk algorithm for ADHF using BUN, SBP, and creatinine.
Risk Scores · Updated 4/13/2026
Academic Research Consortium: ≥1 major or ≥2 minor criteria for trial-style HBR designation.
Interventional · Updated 4/13/2026
ASCVD risk workflow that includes known ASCVD context.
Risk Scores · Updated 4/13/2026
Estimated 10-year ASCVD risk in primary prevention.
Risk Scores · Updated 4/13/2026
Major bleeding risk stratification in atrial fibrillation.
Risk Scores · Updated 4/13/2026
Stroke risk prediction in atrial fibrillation.
Risk Scores · Updated 4/13/2026
Functional classification of angina severity.
Symptom Scores · Updated 4/13/2026
Estimates cardiac output from oxygen consumption and arteriovenous oxygen content difference.
Hemodynamics · Updated 4/13/2026
AF stroke risk score variant excluding female sex criterion.
Risk Scores · Updated 4/13/2026
Stroke risk stratification for patients with non-valvular atrial fibrillation. Calculates annual stroke risk and guides anticoagulation decisions based on clinical risk factors.
Anticoagulation · Updated 4/13/2026
Atrial fibrillation stroke risk score using congestive heart failure, hypertension, age, diabetes, prior stroke/TIA, vascular disease, and sex.
Risk Assessment · Updated 4/13/2026
Anticoagulation decision support framework in AF.
Risk Scores · Updated 4/13/2026
Stroke risk score for atrial fibrillation.
Risk Scores · Updated 4/13/2026
Calculates QTc using Bazett, Fridericia, and Framingham formulas.
Electrocardiography · Updated 4/13/2026
Major bleeding risk score in acute coronary syndrome.
Risk Scores · Updated 4/13/2026
Benefit-risk support for prolonged DAPT decisions.
Risk Scores · Updated 4/13/2026
Functional capacity questionnaire score with estimated METs.
General Calculators · Updated 4/13/2026
Exercise-test based risk stratification score.
Risk Scores · Updated 4/13/2026
Dutch Lipid Clinic Network point-based FH classification (definite/probable/possible/unlikely).
Lipid Disorders · Updated 4/13/2026
Age-stratified pediatric ECG reference limits (heart rate, PQ/PR, QRS, Q in III/aVF/V5/V6) from DOB and reference date. Embedded UTMB summary of Park & Guntheroth (2006); Q aVF/V5 interpolated where the source table lists only III/V6. Same role as Ped(z) ECG normals; not affiliated with pedz.de.
Electrocardiography · Updated 4/16/2026
Modified Duke criteria support for infective endocarditis classification.
Infectious Disease · Updated 4/13/2026
Right heart failure risk after LVAD implantation.
Risk Scores · Updated 4/13/2026
Major/minor criteria framework for heart failure diagnosis.
Classification Criteria · Updated 4/13/2026
10-year hard CHD risk estimate.
Risk Scores · Updated 4/13/2026
Atrial fibrillation risk modeling framework.
Risk Scores · Updated 4/13/2026
Staging framework for transthyretin amyloid cardiomyopathy.
Risk Scores · Updated 4/13/2026
Mortality risk model in acute coronary syndromes.
Risk Scores · Updated 4/13/2026
ATTR cardiomyopathy staging framework.
Risk Scores · Updated 4/13/2026
In-hospital mortality risk score for acute heart failure.
Risk Scores · Updated 4/13/2026
Heart failure with preserved ejection fraction probability score.
Risk Scores · Updated 4/13/2026
Major bleeding risk in anticoagulated atrial fibrillation.
Risk Scores · Updated 4/13/2026
5-year sudden cardiac death risk model in hypertrophic cardiomyopathy.
Risk Scores · Updated 4/13/2026
Major bleeding risk score.
Risk Scores · Updated 4/13/2026
Mortality risk stratification in infective endocarditis.
Risk Scores · Updated 4/13/2026
Simplified Jones criteria checklist for acute rheumatic fever (requires evidence of preceding GAS infection).
Rheumatology · Updated 4/13/2026
Heart failure class in the setting of acute MI.
Classification Criteria · Updated 4/13/2026
Calculates LDL-C using the Friedewald equation when triglycerides are < 400 mg/dL, or reports non–HDL-C (TC − HDL) as an alternative marker.
Lipid Disorders · Updated 4/13/2026
Mortality risk stratification in chronic heart failure.
Risk Scores · Updated 4/13/2026
Simplified contrast-nephropathy risk estimate after PCI.
Nephrology · Updated 4/13/2026
Simplified natriuretic response index from urine/serum values and loop dose.
Heart Failure · Updated 4/13/2026
Functional class grading in heart failure.
Classification Criteria · Updated 4/13/2026
Observatoire Regional Breton sur l'Infarctus prognostic score support.
Risk Scores · Updated 4/13/2026
Bleeding risk score for atrial fibrillation patients.
Risk Scores · Updated 4/13/2026
Risk stratification for short-term events in acute heart failure.
Risk Scores · Updated 4/13/2026
10-year heart failure risk estimate using pooled cohort predictors.
Risk Scores · Updated 4/13/2026
Bleeding risk score to support dual antiplatelet duration decisions.
Risk Scores · Updated 4/13/2026
Cardiomyopathy risk stratification support tool.
Risk Scores · Updated 4/13/2026
Corrected QT (ms) from measured QT and heart rate or RR interval using Bazett: QTc = QT / √RR (RR in seconds; RR = 60/HR). Same role as Ped(z) QTc; for other corrections use the existing Corrected QTc tool. Not affiliated with pedz.de.
Electrocardiography · Updated 4/16/2026
Readmission risk score after acute myocardial infarction.
Risk Scores · Updated 4/13/2026
Educational summary of major SHFM inputs; official tool provides coefficient-based survival.
Risk Scores · Updated 4/13/2026
Sex-specific cardiogenic shock risk context from STE, renal, inflammatory, and LV function signals.
Risk Scores · Updated 4/13/2026
Weighted ECG criteria for MI in LBBB.
Clinical Decision Rules · Updated 4/13/2026
Brugada diagnosis/risk score from ECG, symptoms, family, genetics.
Diagnostic Scores · Updated 4/13/2026
Continuous TRI = HR × (age/10)² / SBP for ACS prognosis.
Risk Scores · Updated 4/13/2026
0–14 point mortality risk score at STEMI presentation.
Risk Scores · Updated 4/13/2026
Seven binary factors for 14-day ischemic outcomes in UA/NSTEMI.
Risk Scores · Updated 4/13/2026
Age- and relation-specific total cholesterol screening thresholds.
Lipid Disorders · Updated 4/13/2026