Attachment Last Update April 1, 2022 Extension .pdf Print Code WN85-0001 Language English Locations Halifax Infirmary Dickson Building Creator Angiography Unit, Diagnostic Imaging During this test, a colourless dye is injected into your blood vessels so that they can be seen on the X-ray. This pamphlet goes over getting ready for the test, how the test is done, and care after the test.