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Medical Physics

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by

Paul Sheffield

on 31 October 2016

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Transcript of Medical Physics

Medical Physics
L.O
X-rays
Ultra-sound

Starter
What is an x-ray?
How does it work?
Why is it dangerous?
X-Rays
high frequency
short wave length
electromagnetic waves
bone fractures
dental x-rays
photographs
images using CCD's (Grid Pixels)
Treating Cancer
kill cancer cells
like gamma rays
CT Scan
Computerised axial Tomography
high resolution image
x-ray tube
detectors on the opposite side
rotated
2d slice through the body
added to make a 3d image
Full transcript