CAC Score Calculator
Understand your heart disease risk from calcium scan results. Get clear risk levels and know what actions to take based on your score.
How the CAC Score Calculator works
Enter your calcium scores from the scan report and your age and gender. Get your risk level, see how you compare to others your age, and receive clear recommendations for next steps.
Your calcium score reveals hidden heart disease risk that standard cholesterol tests miss. Know your true risk level and what to do about it before problems occur.
How it works
Tutorial
A coronary artery calcium (CAC) scan shows how much calcium buildup you have in your heart arteries. This calcium indicates plaque buildup and predicts heart attack risk better than cholesterol levels alone. Understanding your score helps you make informed decisions about prevention.
You have two options: use the calculator above to interpret your scan results instantly, or follow this guide to understand what your score means.
Understanding Your Score
| Component | What It Means |
|---|---|
| CAC Score | Amount of calcium in your heart arteries (0 to 400+) |
| Percentile | How your score compares to others your age and gender |
| Risk Category | 0 = No plaque, 1-99 = Mild, 100-399 = Moderate, 400+ = High |
Step-by-Step Example
Here’s how to interpret a real calcium scan result.
Step 1: Add Up Your Total Score
Your scan report shows calcium in each artery:
| Artery | Calcium Score |
|---|---|
| Left Main | 25 |
| LAD (Left Anterior Descending) | 145 |
| Circumflex | 38 |
| Right Coronary | 42 |
| Total CAC Score | 250 |
Calculation:25 + 145 + 38 + 42 =250
Step 2: Compare to Others Your Age
See where you stand compared to people like you:
| Your Information | Value |
|---|---|
| Age | 55 years old |
| Gender | Male |
| Total CAC Score | 250 |
| Percentile Rank | 75th percentile |
What this means:Your score is higher than 75% of men your age
Step 3: Know Your Risk Level and Next Steps
Understand what this means for your health:
| Risk Factor | Your Status |
|---|---|
| Score Range | 250 (Moderate) |
| Risk Level | Moderate plaque buildup |
| 10-Year Heart Attack Risk | 10-15% (elevated) |
| Recommended Action | See doctor about statin medication, lifestyle changes |
Your Result:Score of250means moderate risk requiring action
What You Should Do
A score of 250 means you have moderate plaque buildup. Most doctors recommend starting cholesterol medication (statin), taking aspirin, controlling blood pressure, and making lifestyle changes. Even if your cholesterol numbers looked normal before, this score shows you need treatment to prevent a heart attack.
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