BRAINCAKECAT Scanning
A CAT scan (computerised axial tomography, also called a CT scan) uses X-rays to build up images of thin slices through the body.
The main parts are:
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Key terms in this lesson
- attenuation
- A decrease in the intensity of a beam of radiation as it passes through matter, due to absorption or scattering.
More in Medical Imaging
- X-ray Attenuation Mechanisms
- Photoelectric Effect, Compton Scattering and Pair Production
- Attenuation of X-rays
- Contrast Media
- Medical Tracers
- Technetium-99m and Fluorine-18
- The Gamma Camera
- Diagnosis with a Gamma Camera
All 20 lessons in Medical Imaging · All OCR A-level Physics topics