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CT angiogram meaning of opacified artery ?
My Mom’s scan states several arteries from aortic arch are opacified or well opacified. Does that mean blood flow is good, bad or that they just can’t see enough to tell if good or bad ?
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I am not familiar with the concept, but it is covered in far more detail here than either of us can probably appreciate, even after some advanced education in the subject:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4170683/
Essentially, from a cursory read of the first 1000 words, it is an imaging technique using iodine to measure flow past points in the aorta. If there is an aneurism, or an incipient aneurism, the contrast would show in the degree of opacity.