A professional who operates computed tomography (CT) scanner to produce cross-sectional radiographs of patient's body for diagnostic purposes. Responsibilities include:

• Positions and immobilizes patient on examining table, using supportive devices to obtain precise patient position and following protocols specified by radiologist .
• Administers contrast media orally or assists physician in intravenous administration.
• Enters data, such as type of scan requested, slice thickness, scan time, and other technical data into computer, using knowledge of radiologic technology and computed tomography.
• Starts CT scanner to scan designated anatomical area of patient.
• Talks to patient over intercom system and observes patient through window of control room to monitor patient safety and comfort.
• Views images of organs or tissue on video display screen to ensure quality of pictures.
• Starts camera to produce radiographs.
• Evaluates radiographs, video tape, and computer generated information for technical quality.