What Do Radiologic Technologists and Technicians Do? Radiologic technologists and technicians perform diagnostic imaging examinations. Radiologic technologists use imaging modalities such as computed tomography, magnetic resonance imaging (MRI), and mammography, while radiologic technicians perform imaging examinations like x-rays. Radiologic technologists perform more complex imaging procedures. When performing fluoroscopies, for example, radiologic technologists prepare a solution for the patient to drink, allowing the radiologist (a physician who interprets radiographs) to …Read More