Must be certified in one of the following within two years of hire: ARRT-CI Cardiac-Interventional (ARRT-CI), ARRT-CV Cardiovasc-Inter Rad (ARRT-CV), or ARRT-VI Interventional Rad (ARRT-VI). The Interventional Radiology Technologist, under a Radiologist''s supervision, performs interventional radiology procedures on ambulatory and hospital patients.