Angiography and Interventional Radiology use x-rays and contrast dyes to examine and treat a number of conditions. Angiography is a diagnostic procedure used to examine the blood vessels for blockages and other conditions by observing the flow of blood in the veins and arteries. Interventional Radiology is a method of treatment where a Radiologist (a specially trained physician who performs the procedure) inserts small tubes, wires and other instruments into different vessels of the body (e.g. blood vessels and organs) guided by the images supplied in the x-rays. Interventional radiology is often used as an alternative to higher risk surgical procedures in order to enhance the quality of life for patients.Learn more.