An X-ray image or picture of arteries produced after injecting a special dye, showing the blood vessels' structure and any blockages.
From 'arteria' (artery) combined with Greek 'gramma' (writing or recording), a term from 20th-century diagnostic imaging technology for visualizing arterial anatomy.
An arteriogram is like a roadmap of your arteries—doctors inject dye to light up the blood vessels so they can see exactly where the traffic jams (blockages) are!
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