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

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

CT Calcium Score vs. CT Coronary Angiography: Understanding the Difference

Cardiovascular imaging has revolutionized the assessment of heart disease, providing powerful tools to detect and evaluate coronary artery disease (CAD) before it leads to serious complications. Two common heart imaging tests—CT Calcium Scoring (CAC) and CT Coronary Angiography (CCTA)—serve distinct purposes. While both utilize computed tomography (CT) technology, they differ significantly in what they measure, … Read more

Rethinking LDL-Cholesterol: Is Lower Always Better for Heart Health?

For years, low-density lipoprotein cholesterol (LDL-C) has been considered the main culprit in heart disease. The common belief is that high levels of LDL-C clog up arteries, leading to heart attacks and strokes. This idea has driven medical experts to focus on lowering LDL-C as much as possible, often using medications like statins. However, as … Read more