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8 calculators
Cardiologists, anticoagulation services, and pre-assessment clinics use these scores to convert a history, an ECG, and routine laboratory results into risk categories: whether atrial fibrillation justifies anticoagulation, how much bleeding that choice carries, how long dual antiplatelet therapy should run, and whether elective surgery can safely proceed. Composite indices also describe heart failure physiology and perfusion pressure. Scores set thresholds rather than dictate therapy; imaging, comorbidity, and what the patient wants usually decide the plan.
This page groups by clinical area, so the tools below are the ones this setting reaches for — the subject-focused view of the same calculators lives on the categories pages, the full alphabetical list collects everything in one place, and the comparison tool lines up three tools side by side when two of them look interchangeable.
TIMI risk score for unstable angina / non-ST-elevation myocardial infarction, estimating 14-day risk of all-cause mortality, new or recurrent MI, or severe recurrent ischemia requiring urgent revascularization.
CardiologyGlobal Registry of Acute Coronary Events (GRACE) in-hospital risk score for acute coronary syndromes, estimating in-hospital mortality from age, heart rate, systolic blood pressure, creatinine, Killip class, cardiac arrest, ST-segment deviation, and cardiac enzymes.
CardiologyCHA₂DS₂-VASc score for stroke risk stratification in patients with non-valvular atrial fibrillation, guiding anticoagulation decisions (score 0–9).
CardiologyHAS-BLED score for estimating 1-year risk of major bleeding in patients on anticoagulation, most commonly for atrial fibrillation, guiding bleeding-risk assessment (score 0–9).
CardiologyRevised Cardiac Risk Index (Lee index) for estimating the risk of major perioperative cardiac complications (MI, pulmonary edema, VF or primary cardiac arrest, complete heart block) in patients undergoing non-cardiac surgery.
Cardiology10-year risk of atherosclerotic cardiovascular disease (first nonfatal myocardial infarction, coronary heart disease death, or fatal/nonfatal stroke) using the 2013 ACC/AHA Pooled Cohort Equations, the basis of the 2018 ACC/AHA cholesterol guideline statin decisions.
CardiologyDual Antiplatelet Therapy (DAPT) score for decision-making about the duration of dual antiplatelet therapy after coronary stenting, balancing ischemic benefit against bleeding risk (score −2 to +10).
CardiologyH2FPEF score for estimating the probability of heart failure with preserved ejection fraction (HFpEF) in patients with unexplained dyspnea (score 0–9).
Cardiology