Medical Calculators & Clinical Tools
Evidence-based calculators, unit converters, and reference tools for everyday cardiology. Built and maintained by Dr Reza Moazzeni, consultant cardiologist.
Browse calculators ▾Cardiovascular Risk
Risk-scoring tools for primary prevention and risk stratification. Use PREVENT as the contemporary default; CAC-based tools refine risk in intermediate-risk patients.
PREVENT Risk Calculator
10-year and 30-year CVD risk for ages 30–79, including HF and CKD-modified risk. Replaces the Pooled Cohort Equations.
Open calculatorMESA Coronary Calcium Risk
10-year CHD risk incorporating CAC score, age, sex, and ethnicity. Refines risk in intermediate-risk patients.
Open calculatorCAC Score Percentile
Age-, sex-, and ethnicity-matched percentile for a given CAC score to contextualise the raw number.
Open calculatorFamilial Hypercholesterolaemia (FH)
Dutch Lipid Clinic Network criteria for FH probability assessment based on LDL, family history, and clinical signs.
Open calculatorASCVD 10-Year Risk
Pooled Cohort Equations — kept for historical reference. PREVENT (above) is the contemporary recommended tool.
Open calculatorLipids & Cholesterol
Unit conversions, treatment-effect back-calculations, and lipid target references for everyday lipid clinic workflow.
LDL Back-Calculator
Estimate untreated LDL-C from current statin therapy and dose — useful for FH assessment and treatment intensity decisions.
Open calculatorApoB Unit Conversion
Convert apolipoprotein B between g/L, mg/dL, and nmol/L. Includes brief context on when to measure ApoB.
Open calculatorCholesterol Unit Conversion
Convert total cholesterol, LDL, HDL, and triglycerides between mmol/L and mg/dL.
Open calculatorEchocardiography
Interactive grading tools, reference values, and decision aids for cardiac ultrasound interpretation.
Diastolic Function Calculator
Step-by-step diastolic grading and LAP estimation across sinus rhythm, AF, MAC, PH, and heart transplant.
Open calculatorEchocardiography Reference
Normal values, grading tables, and algorithms across chamber quantification, valves, and haemodynamics.
Open referencePFO RoPE + PASCAL Score
Stratify the probability that a PFO contributed to a cryptogenic stroke. Guides closure decisions.
Open calculatorMetabolic & Lifestyle
Tools for diabetes, body composition, alcohol intake, and home blood-pressure tracking.
Glucose & HbA1c Conversion
Convert between mmol/L, mg/dL, and HbA1c (% or mmol/mol). Includes target ranges for context.
Open calculatorStandard Drinks Calculator
Calculate alcohol intake in Australian standard drinks. Quick assessment against cardiovascular and NHMRC guidelines.
Open calculatorBody Composition Calculator
Cardiometabolic risk using WHtR, waist circumference, WHR, and BMI with ethnicity-specific cutoffs.
Open calculatorNeed a cardiologist's opinion?
Calculators support clinical decisions but don't replace one. If you'd like Dr Moazzeni's assessment of your cardiovascular risk, lipid management, or echocardiogram findings, book a consultation.
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