Radiology Tech, Radiology Technologist, Radiologic Technologist, Rad Tech, Radiologic Tech, X-Ray Tech, X-Ray Technologist, Interventional Radiology, IR, Interventional Radiology Tech, IR Tech. The IR Tech assists in the various invasive angio and interventional procedures performed in the Interventional Radiology Suite, organizes surgical scrub and circulation duties for total patient care during and after the procedure, and monitors patients in the Interventional Radiology area.