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Calculators & Tools

Medical Calculators & Clinical Tools

Evidence-based calculators, unit converters, and reference tools for everyday cardiology. Built and maintained by Dr Reza Moazzeni, consultant cardiologist.

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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.

AHA 2023

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.

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MESA Study

MESA Coronary Calcium Risk

10-year CHD risk incorporating CAC score, age, sex, and ethnicity. Refines risk in intermediate-risk patients.

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MESA Reference

CAC Score Percentile

Age-, sex-, and ethnicity-matched percentile for a given CAC score to contextualise the raw number.

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DLCN Criteria

Familial Hypercholesterolaemia (FH)

Dutch Lipid Clinic Network criteria for FH probability assessment based on LDL, family history, and clinical signs.

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ACC/AHA 2013 · Reference

ASCVD 10-Year Risk

Pooled Cohort Equations — kept for historical reference. PREVENT (above) is the contemporary recommended tool.

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Lipids & Cholesterol

Unit conversions, treatment-effect back-calculations, and lipid target references for everyday lipid clinic workflow.

Pre-Treatment Estimate

LDL Back-Calculator

Estimate untreated LDL-C from current statin therapy and dose — useful for FH assessment and treatment intensity decisions.

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Unit Conversion

ApoB Unit Conversion

Convert apolipoprotein B between g/L, mg/dL, and nmol/L. Includes brief context on when to measure ApoB.

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Unit Conversion

Cholesterol Unit Conversion

Convert total cholesterol, LDL, HDL, and triglycerides between mmol/L and mg/dL.

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Echocardiography

Interactive grading tools, reference values, and decision aids for cardiac ultrasound interpretation.

ASE 2025

Diastolic Function Calculator

Step-by-step diastolic grading and LAP estimation across sinus rhythm, AF, MAC, PH, and heart transplant.

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Reference Tools

Echocardiography Reference

Normal values, grading tables, and algorithms across chamber quantification, valves, and haemodynamics.

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Stroke Risk

PFO RoPE + PASCAL Score

Stratify the probability that a PFO contributed to a cryptogenic stroke. Guides closure decisions.

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Metabolic & Lifestyle

Tools for diabetes, body composition, alcohol intake, and home blood-pressure tracking.

Unit Conversion

Glucose & HbA1c Conversion

Convert between mmol/L, mg/dL, and HbA1c (% or mmol/mol). Includes target ranges for context.

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Australian Standards

Standard Drinks Calculator

Calculate alcohol intake in Australian standard drinks. Quick assessment against cardiovascular and NHMRC guidelines.

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Beyond BMI

Body Composition Calculator

Cardiometabolic risk using WHtR, waist circumference, WHR, and BMI with ethnicity-specific cutoffs.

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Clinical Consultation

Need 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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