Angiogram | Johns Hopkins Medicine
https://www.hopkinsmedicine.org/health/treatment-tests-and-therapies/angiogram
WEBAn angiogram is a scan that shows blood flow through arteries or veins, or through the heart, using X-rays, computed tomography angiography (CTA) or magnetic resonance angiography (MRA). The blood vessels appear on the image after a contrast dye is injected into the blood, which lights up on the scan wherever it flows.
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