How can I check if my arteries are clogged?

How to Know If Your Arteries Are Clogged

Worried about your heart health? One of the biggest concerns—especially as we age—is whether our arteries might be clogged. While symptoms like chest pain, shortness of breath, or fatigue can raise red flags, the only real way to know for sure is through medical testing.

Your doctor may recommend specific imaging tests to get a clear picture of what’s happening inside your arteries. An echocardiogram, for example, uses sound waves to create real-time images of your heart’s movement, helping detect poor blood flow. It’s non-invasive and painless, usually done in a doctor’s office.

If a more detailed look is needed, a computed tomography angiography (CTA) can capture cross-sectional images of your heart and blood vessels, highlighting any plaque buildup. Similarly, magnetic resonance angiography (MRA) uses powerful magnets and radio waves to produce detailed images—ideal for those who want to avoid radiation exposure.

For a more direct approach, intravascular ultrasound goes inside the artery. A tiny probe on a catheter sends back images from within, offering a highly accurate view of blockages. This is usually done during a cardiac catheterization procedure, not as a first-line test.

It’s important to remember that no single test works for everyone. Your doctor will consider your risk factors—like high cholesterol, smoking, high blood pressure, or family history—before deciding which test is right for you.

Instead of waiting for symptoms, staying proactive with regular check-ups and heart-healthy habits is key. If you're concerned about blocked arteries, talk to your doctor. Early detection could save your life.