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BlogCareersSuperpower Labs
Biomarkers
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Heart & Vascular Health

Left Main Calcium Score Test

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The Left Main Calcium Score measures hardened, cholesterol-rich plaque in the left main coronary artery — the short but critically important trunk that comes straight off the aorta and almost immediately splits into the left anterior descending and left circumflex arteries.

Last updated
September 1, 2026

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