Physics A-Level
Fluorine–18
What Fluorine–18 means in Physics A-Level, as defined for OCR.
Definition of Fluorine–18
Check what you remember
Read the wording for your board, then hide it and explain Fluorine–18 in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A tracer used in positron emission tomography because it emits positrons; when a positron meets an electron, two gamma photons are produced in opposite directions and detected in coincidence.
Topics that use Fluorine–18
- Diagnostic methods in medicine (OCR A-Level)
Related terms
- Annihilation
- Clinical diagnosis from count maps
- Coincidence detection
- Collimator
- Computer
- Functional medical imaging
- Medical tracer
- Metabolic imaging in diagnosis
Using Fluorine–18 in the exam
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