Angiography

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Angiography

(Science: investigation) a radiographic technique where a radio-opaque (shows up on x-ray) contrast material is injected into a blood vessel for the purpose of identifying its anatomy on x-ray. This technique is used to image arteries in the brain, heart, kidneys, gastrointestinal tract, aorta, neck (carotids), chest, limbs and pulmonary circuit.