CT Technologist, nuclear medicine, NMTCB, ARRT, diagnostic, imaging, Nuclear Medicine Technologist, CNMT, nuc med, CT Tech, nuc med tech, radiology, diagnostic scan, diagnostic scanning, CT scanner, CT scan, technologist, health care, healthcare. Specific duties include, but are not limited to: Ensures Patient Safety, including pre-screening for contra-indications to radiation and contrast injections.