Glossary

Nuclear Medicine Technologist Terms & Vocabulary

15 essential nuclear medicine technologist terms with plain-English definitions: the vocabulary you’ll hear in training and on day one.

Updated By the Career Education Institute Curriculum Team
Key nuclear medicine technologist vocabulary

These 15 terms come up constantly in nuclear medicine technologist training, on the job and in interviews. Knowing them helps you follow instructions, document accurately and sound prepared.

ALARA
Keep exposure low.
Bone scan
Imaging of bone activity.
Dose calibrator
Measures radioactivity.
FDG
A sugar tracer for PET.
Gamma camera
Detects radiation from tracers.
Half-life
Time for half of radioactivity to decay.
Hot lab
Room for radioactive materials.
Myocardial perfusion
Heart blood flow imaging.
NMTCB
Nuclear medicine certification board.
PET
Positron emission tomography.
Radiopharmaceutical
A radioactive drug for imaging.
SPECT
3D gamma imaging.
Survey meter
Detects contamination.
Technetium-99m
A common tracer.
Tracer
A substance that shows function.

Practice these terms

Test yourself with the free Nuclear Medicine Technologist practice test: it includes vocabulary questions built from this list. For a complete course, see Nuclear Medicine Technologist training.

Browse terms from every career in our career glossary.

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