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Cardiovascular
Coronary artery calcium
Clinical biomarkerImagingCTAgatston score
CT-detected calcified coronary atherosclerotic plaque burden.
What it measures
Coronary artery calcification quantified on noncontrast CT.
Why it matters
Used for cardiovascular risk refinement in selected asymptomatic adults.
How to interpret it
Interpret within age, baseline risk and clinical prevention guidelines.
Important limitations
Involves ionizing radiation and measures calcified plaque rather than total plaque or biological aging.
Evidence status
Clinical biomarker
Established cardiovascular risk-stratification measurement in selected populations.
Research & guidance
Original papers, validation studies, reviews and clinical guidance connected to this measurement.
For education and evidence exploration, not diagnosis or individualized medical advice.