In response, your body sends LDL cholesterol to these areas like a sort of biological bandage. However, if the underlying causes aren’t addressed, the arteries continue to deteriorate. Over time, plaque forms—a hardened mix of scar tissue (fibrin), calcium, cholesterol, and other debris.
This plaque hardens like bone, narrowing the arteries even more and obstructing blood flow. If a major coronary artery becomes completely blocked, it can lead to a heart attack—and even death.
Symptoms of Blocked Arteries
You might feel pressure or pain in your chest—especially during physical activity