Angiography is imaging of blood vessels using water soluble ionic or non-ionic X-RAY contrast media injected into blood streams of arteries or veins.
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Angiography or arteriography is a medical imaging technique used to visualize the inside, or lumen, of blood vessels and organs of the body, with particular interest in the arteries, veins and the heart chambers. This is traditionally done by injecting a radio-opaque contrast agent into the blood vessel and imaging using X-ray based techniques such as fluoroscopy.