12 Cardiology Calculators – Risk, Lipids, QTc & Hemodynamics
Cardiology calculators include population-specific cardiovascular risk models, acute and perioperative scores, atrial-fibrillation risk-factor scores, QT correction, hemodynamic arithmetic, and lipid calculations.
Select by the model population, endpoint, time horizon, measurement method, and clinical question. A percentage or point total from one model cannot be substituted for another model with a different outcome.
All medical calculatorsSources and review processMedical disclaimer
Choose a calculator by task
Use the task groups below to find the calculator whose formula, intended population, required measurements, and purpose match the task.
Cardiovascular and clinical risk scores
Match the established population and outcome for PREVENT-ASCVD, historical Framingham General CVD, GRACE, RCRI, classic CHA₂DS₂-VASc, or original HAS-BLED.
Rhythm and hemodynamic measures
Use measured ECG intervals and heart rate for QTc comparison, or paired systolic and diastolic pressure for conventional MAP estimation.
Lipid arithmetic
Use same-panel lipid values and preserve the stated LDL-C measurement or estimation method when calculating LDL-C, non-HDL-C, or cholesterol ratios.
How to choose a calculator in this category
- Confirm the model population, endpoint, and time horizon before comparing cardiovascular risk estimates.
- Use classic CHA₂DS₂-VASc and HAS-BLED only in their stated clinician-established atrial fibrillation or flutter contexts.
- For QTc and lipid arithmetic, preserve the measurement method, same-ECG or same-panel timing, and formula identity.
Important limits
- QT correction formulas can differ, and no one formula is automatically selected for every rhythm, rate, QRS width, or clinical setting.
- Risk scores and lipid ratios do not establish a diagnosis or measure the causal benefit of a treatment change.
- These tools do not recommend anticoagulation, medication, procedures, referral, or discharge.