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What is coronary artery calcification and the significance of coronary artery calcium score?

Coronary artery calcification refers to the calcium buildup within the walls of the arteries that supply oxygen-rich blood to the heart. It causes the walls to harden (atherosclerosis). It may also cause narrowing of the inside of the coronary artery, which can limit blood flow to the heart muscle.

A heart scan, also known as a coronary calcium scan, is a specialized CT scan that provides pictures of your heart that can help your doctor detect and measure calcium-containing plaque in your arteries.

Plaque inside the arteries of your heart can grow and restrict blood flow to the muscles of your heart. The significance of a coronary artery calcium score or, to simply put it, measuring calcified plaque with a heart scan, may allow your doctor to identify possible coronary artery disease even before you begin to experience signs and symptoms of atherosclerosis.


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