Cardiology calculators and decision tools
Bedside cardiology math and rule-out scores with the primary citation under every result.
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QTc by Bazett, Fridericia, Framingham, and Hodges; Wells PE and DVT with the Geneva alternative; CHA2DS2-VASc and HAS-BLED for atrial fibrillation; HEART, TIMI, and GRACE for chest pain risk stratification; ASCVD and PREVENT for primary prevention; Sgarbossa for STEMI in LBBB.
23 tools in this topic, all free, all in your browser.
Tools in this topic
- QTc Correction Compute corrected QT interval using four published formulas - Bazett, Fridericia, Framingham, and Hodges - side by side.
- Wells Score for PE Score the Wells criteria for pulmonary embolism.
- Wells PE & Revised Geneva (PE) Score the two best-validated pretest probability tools for pulmonary embolism side by side.
- Wells Score for DVT Score the Wells criteria for deep-vein thrombosis (Lancet 1997).
- Wells DVT and Caprini VTE Risk Score two complementary venous-thromboembolism tools side by side.
- PERC Rule (PE rule-out) Check the eight-item Pulmonary Embolism Rule-out Criteria (Kline 2004).
- CHA2DS2-VASc Score CHA2DS2-VASc for stroke risk in non-valvular atrial fibrillation.
- HAS-BLED Compute the HAS-BLED bleeding-risk score for a patient on (or being considered for) oral anticoagulation for atrial fibrillation.
- HEART Score (chest pain) Score the HEART score for undifferentiated chest pain in the emergency department.
- TIMI Risk Score (UA / NSTEMI) Compute the TIMI Risk Score for unstable angina and non-ST elevation MI (Antman 2000) from its seven binary…
- TIMI Risk Score for STEMI (Morrow) TIMI risk score for STEMI (Morrow 2000): an 8-variable point score mapped to the derivation-cohort 30-day mortality.
- GRACE Score (in-hospital mortality) Compute the simplified GRACE (Global Registry of Acute Coronary Events) score for risk stratification in…
- ASCVD 10-year Risk (PCE) Estimate 10-year atherosclerotic cardiovascular disease risk using the 2013 ACC/AHA Pooled Cohort Equations.
- PREVENT 2023 10-year CVD Risk (race-free) Calculate the 10-year total cardiovascular-disease risk using the American Heart Association PREVENT…
- Modified Sgarbossa Criteria (Smith) Apply the modified Sgarbossa criteria (Smith) for diagnosing acute myocardial infarction in the presence of…
- Revised Cardiac Risk Index (RCRI, Lee) Score the Revised Cardiac Risk Index (Lee) for predicting major perioperative cardiac events after non-cardiac surgery.
- Mean QRS Axis (frontal plane, hexaxial) Mean frontal-plane QRS axis from net lead I and aVF deflections, with the quadrant interpretation.
- ECG LVH Voltage Criteria (Sokolow-Lyon, Cornell) ECG voltage criteria for left ventricular hypertrophy: Sokolow-Lyon (SV1 + max RV5/RV6) and Cornell (SV3 + RaVL).
- Duke Treadmill Score (exercise-test prognosis) Duke treadmill score (Mark 1987): exercise time, ST deviation, and angina index mapped to a risk band and cited 5-year survival.
- Cardiac Power Output (CPO) Cardiac power output (Fincke 2004): (MAP x cardiac output) / 451 in watts, against the 0.6 W cardiogenic-shock threshold.
- Aortic Valve Area (continuity equation) Aortic valve area by the continuity equation, with the dimensionless index and severity band (ASE/EACVI 2017).
- CPSS (Cincinnati Prehospital Stroke Scale) Apply the Cincinnati Prehospital Stroke Scale.
- FAST and BE-FAST Stroke Assessment Apply the FAST and BE-FAST stroke screens.