Which is more important: cholesterol or a coronary calcium score?
Dr. William DavisPublished on August 30, 2025
Summary authored by editor@wellifi.com
TLDR Summary
Coronary calcium scores are essential for assessing heart disease risk, while cholesterol levels provide a poor indicator of actual disease presence. Understanding this distinction can empower individuals to take control of their heart health effectively.
Key Points
- Coronary calcium scores are critical in assessing heart disease risk.
- Traditional measures like cholesterol levels do not accurately reflect cardiovascular health.
- A calcium score increase of 25% per year indicates severe risk for heart complications.
- Understanding the distinction between cholesterol as a risk factor and calcium scores as a measure of disease is essential.
- Comprehensive blood testing is vital for those with elevated coronary calcium scores.
Understanding Heart Disease Prevention: The Importance of Coronary Calcium Scores
Heart disease remains one of the leading causes of mortality worldwide, yet numerous misconceptions about its prevention continue to mislead both the public and healthcare professionals. In this article, we will explore the critical role of coronary calcium scores in assessing heart disease risk and why traditional measures like cholesterol levels may not provide an accurate picture of cardiovascular health.
The Story of a Heart Health Journey
Recently, a friend approached me regarding his wife's health. At 62, she underwent a CT heart scan, which revealed a concerning coronary artery calcium score of 342. This score serves as an indicator of the level of atherosclerotic plaque present in her coronary arteries, a critical factor in predicting heart-related complications such as heart attacks and sudden cardiac death.
Research led by Dr. John Rumberger at Mayo Clinic established that approximately 20% of all atherosclerotic plaque is comprised of calcium, making coronary calcium scores a vital measure of cardiovascular health. Unfortunately, if untreated, this woman’s score was projected to increase by 25% annually, putting her at risk for severe heart complications within six to seven years.
Debunking Misinformation in Heart Disease Prevention
Despite the alarming findings, the conventional advice from her cardiologist included taking a baby aspirin, using statin drugs like Lipitor, reducing saturated fat intake, and adopting a vegetarian diet. However, extensive data from the last three decades suggest that this approach does not effectively reduce heart disease risk.
Cholesterol levels, while commonly regarded as indicators of heart health, do not correlate directly with disease presence. Instead, they serve as a crude marker of potential risk. Conversely, a high coronary calcium score is a definitive measure of existing disease.
Understanding Coronary Calcium Scores vs. Cholesterol Levels
Many patients mistakenly believe that good cholesterol levels negate the risks associated with high coronary calcium scores. However, these two metrics are not interchangeable. While cholesterol is merely a potential risk factor, a coronary calcium score provides a direct assessment of heart disease.
In this case, the woman’s test results revealed numerous small LDL particles and a genetic predisposition known as lipoprotein A, indicating that a conventional low-fat diet could exacerbate her condition. Unfortunately, they opted for the traditional treatment route and did not utilize the preventative measures available to them.
Key Recommendations for Managing Heart Disease Risk
For anyone with elevated coronary calcium scores, it is crucial to evaluate underlying causes through comprehensive blood testing. Recommended tests include:
- NMR lipoproteins
- Lipoprotein A
- Hemoglobin A1C
- Fasting glucose and insulin
- Vitamin D status (25 hydroxy vitamin D)
- Thyroid function tests (TSH, free T3, free T4, thyroid antibodies)
Addressing deficiencies in vitamin D, omega-3 fatty acids, iodine, and magnesium, as well as correcting small intestinal bacterial overgrowth (SIBO) and endotoxemia, are essential components of an effective heart disease prevention strategy.
Conclusion
Coronary calcium scores are a critical measure of cardiovascular health that should not be overlooked. Understanding the difference between cholesterol as a risk factor and calcium scores as a direct measure of disease can empower individuals to take control of their heart health. For ongoing discussions and insights on this topic, consider exploring further resources available on my website and podcasts.
Stay informed, and remember that knowledge is your best defense against heart disease.
