Harvard Heart Letter

Should you consider a coronary artery calcium scan?

A coronary artery calcium scan uses a special x-ray machine that can reveal specks of calcium in the walls of the heart’s arteries, an early sign of cardiovascular disease. These tests aren’t appropriate for people who have a very low risk of heart disease or who already have it, because the results are unlikely to change their treatment. But for people who fall somewhere in the middle, a calcium scan may be helpful in deciding whether to take a statin.
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