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10 calculators
Cardiac risk assessment and haemodynamic calculators spanning acute coronary syndromes, atrial fibrillation management, heart failure evaluation, and perioperative cardiac risk. Tools include the GRACE and TIMI scores for ACS prognosis, CHA₂DS₂-VASc for stroke risk in AF, HAS-BLED for bleeding risk on anticoagulation, the DAPT score for dual antiplatelet duration, and the RCRI for preoperative cardiac evaluation. Additional calculators support blood pressure assessment (mean arterial pressure, heart rate) and heart failure classification. These instruments guide treatment thresholds, anticoagulation decisions, and surgical risk counselling. Results should always be integrated with clinical presentation, imaging findings, and patient preferences rather than applied as standalone decision triggers.
Every tool in this domain is linked below, each with its own formula, inputs, and interpretation notes. Starting from the clinical area instead of the subject? The same calculators are grouped on the specialties pages, the full alphabetical list collects everything in one place, and the comparison tool lines up three tools side by side.
Calculates Mean Arterial Pressure from systolic and diastolic blood pressure.
Emergency MedicineCalculates heart rate from the number of beats counted over a measured time interval.
Emergency MedicineTIMI 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