Aradiopaque material was injected into the blood vessels. what type of procedure was performed?

The type of procedure that is performed when a radiopaque material is injected into the blood vessels is called, Angiocardiography. Angiocardiography is a diagnostic test that examines the chambers of the heart, as well as the arteries and the veins. A radiopaque agent which is injected intravenously, which contains iodine, helps the tissues become more visible in the X-ray.