What is an angiogram?
An angiogram is an X-ray test that uses dye to demonstrate the arteries.Arteries are invisible to X-ray so the only way they can be seen is by filling them with dye.
The correct name for the dye is ‘contrast’, and it is the iodine it contains that is visible on X-ray.
* In performing a coronary angiogram, a doctor inserts a small catheter
(a thin hollow tube with a diameter of 2-3 mm)
through the skin into an artery in either the groin or the arm.
* Next, a small amount of radiographic contrast (a solution containing iodine,
which is easily visualized with X-ray images) is injected into each coronary artery.
The images that are produced are called the angiogram.
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