Cardiology medical calculators
All 25 Cardiology medical calculators on DocMath, A–Z. All specialties
- AHA PREVENT equations (10-year CVD, ASCVD and heart failure risk)10-year risk of total cardiovascular disease, ASCVD and heart failure in adults 30–79 without known CVD (base model); ACC/AHA 2026 lipid risk categories.
- Ankle–brachial index (ABI)Resting ankle–brachial index per leg, classified by the 2024 ACC/AHA peripheral artery disease guideline.
- ARC-HBR high bleeding risk criteria (PCI)Academic Research Consortium consensus definition of high bleeding risk at the time of percutaneous coronary intervention (≥1 major or ≥2 minor criteria).
- ATRIA bleeding risk scoreRisk of major hemorrhage on warfarin in atrial fibrillation (ATRIA cohort).
- ATRIA stroke risk scoreRisk of ischemic stroke or other thromboembolism without anticoagulation in atrial fibrillation (separate age points with and without prior stroke).
- CCS algorithm (CHADS-65) for AF stroke preventionCanadian Cardiovascular Society 2020 algorithm for choosing antithrombotic therapy in nonvalvular atrial fibrillation or flutter.
- CHA₂DS₂-VA (with CHA₂DS₂-VASc)Stroke and thromboembolism risk in atrial fibrillation; 2024 ESC anticoagulation thresholds (sex removed).
- DAPT score (dual antiplatelet therapy beyond 1 year after PCI)Balance of ischemic benefit and bleeding harm from continuing DAPT beyond 12 months after coronary stenting, in patients event-free at 12 months.
- Duke Treadmill ScorePrognosis from a Bruce-protocol exercise ECG in suspected coronary artery disease.
- Dutch Lipid Clinic Network (DLCN) criteria for familial hypercholesterolemiaClinical diagnosis of heterozygous familial hypercholesterolemia in adults (definite, probable, possible, unlikely).
- ECG left ventricular hypertrophy: Sokolow–Lyon and Cornell voltageSokolow–Lyon voltage and sex-specific Cornell voltage criteria for left ventricular hypertrophy on the 12-lead ECG.
- EuroSCORE II (cardiac surgery mortality)Predicted in-hospital mortality after major cardiac surgery (logistic model).
- Familial hypercholesterolemia: simplified Canadian definitionClinical diagnosis of heterozygous familial hypercholesterolemia (definite or probable) using the Canadian (CCS-endorsed) definition.
- Framingham Risk Score (CCS 2021, general CVD)10-year risk of a first cardiovascular event, with the CCS modification for family history and CCS 2021 statin thresholds.
- GRACE score (in-hospital death, 2003 nomogram)Risk of death in hospital after an acute coronary syndrome, from the original GRACE point nomogram; groups NSTE-ACS risk by the ACC/AHA 2025 GRACE cut-offs.
- H₂FPEF score (HFpEF probability)Probability of heart failure with preserved ejection fraction in unexplained exertional dyspnea with LVEF ≥50% (points score and continuous model).
- HAS-BLED bleeding risk1-year major bleeding risk in atrial fibrillation; flags modifiable bleeding risk factors.
- HEART score (chest pain)Short-term risk of MACE (MI, revascularisation, death) in emergency department chest pain.
- HEMORR₂HAGES bleeding risk scoreRisk of hemorrhage on warfarin in older patients with atrial fibrillation (National Registry of Atrial Fibrillation).
- HFA-PEFF score (step 2: echo and natriuretic peptide)ESC Heart Failure Association score for diagnosing HFpEF from functional, morphological and natriuretic-peptide domains.
- ORBIT bleeding risk scoreRisk of major bleeding on oral anticoagulation in atrial fibrillation.
- Revised Cardiac Risk Index (RCRI)Risk of major cardiac complications after noncardiac surgery; the 2026 AHA/ACC perioperative guideline treats RCRI >1 as elevated risk.
- Sgarbossa and Smith-modified Sgarbossa criteriaAcute coronary occlusion (STEMI equivalent) in left bundle branch block.
- TIMI risk score (UA/NSTEMI)14-day risk of death, MI or urgent revascularisation in unstable angina / NSTEMI.
- TIMI risk score for STEMI30-day mortality at presentation in ST-elevation myocardial infarction (derived in fibrinolysis-eligible patients).