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CT Calcium Scoring

What is a calcium-scoring CT scan?

Calcium scoring is a way to check calcium content of the major blood vessels of the heart. CT creates pictures that are far more detailed than a standard chest X-Ray. In CT of the heart, many X-ray beams are passed through the chest at many angles, and special detectors measure the amount of radiation absorbed by different tissues. The X-ray tube revolves around you, and sends and records data from many angles, forming cross-sectional pictures (slices) of the heart. Spiral CT units produce higher-quality pictures in a shorter time, an important feature for patients who are elderly or critically ill, and those who canít hold their breath for a long time.