Coronary Artery Calcium Scoring: How to Understand Your CAC Score in 2025

Coronary calcium score is a simple, non-invasive scan that reveals hidden plaque and helps predict your risk of heart disease. Your cholesterol may look perfect. You may feel healthy. But silently, beneath the surface, plaque can build inside your coronary arteries — and you’d never know it. That’s where the coronary calcium score (CAC score) … Read more

“You Have a 50% Coronary Artery Blockage” — What That Actually Means

I initially set out to write a straightforward blog post explaining what it means when a doctor says you have a 50% coronary artery blockage. It’s a topic that often confuses patients and clinicians, and I thought a clear explanation would be helpful. But as I began drafting, I realized that listing percentages and medical … Read more

Is a Zero Calcium Score Reassuring Enough? Understanding the Warranty Period

Coronary artery calcium (CAC) scoring has quietly become one of the most valuable tools we have in preventive cardiology. It’s quick, non-invasive, relatively inexpensive, and remarkably informative. For those unfamiliar with the test itself, I’ve written an overview explaining what CAC scoring is and how it works— you can read it here. When someone’s CAC … Read more

The SCOT-HEART Trial: 10-Year Results and Clinical Implications

For years, physicians have debated the best approach to evaluating stable chest pain. An ideal diagnostic test should enhance accuracy while minimizing risks to patients, simultaneously improving prognosis and reducing overall health risks. Now, the SCOT-HEART trial provides definitive long-term evidence that Coronary CT Angiography (CCTA) not only improves diagnosis but also significantly reduces heart … Read more