Physics A-Level
Technetium–99m
What Technetium–99m means in Physics A-Level, as defined for OCR.
Definition of Technetium–99m
Check what you remember
Read the wording for your board, then hide it and explain Technetium–99m in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A tracer that emits gamma radiation, has a half-life of about 6 hours, and can be attached to many pharmaceuticals that target specific organs.
Topics that use Technetium–99m
- Diagnostic methods in medicine (OCR A-Level)
Related terms
- Annihilation
- Clinical diagnosis from count maps
- Coincidence detection
- Collimator
- Computer
- Fluorine–18
- Functional medical imaging
- Medical tracer
Using Technetium–99m in the exam
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