Radiology (X-RAY VISION) with Varshana Gurusamy
Ologies with Alie Ward
00:00
MRI - What's Happening to Your Body?
The body is made up of maybe 60% hydrogen and has an unpaired proton, which also has a magnetic spin. When you have a strong magnetic field around you, like an MRI machine, these hydrogen atoms respond by lining up. The machine throws out radio frequency pulses too, which causes the protons to spin again in the other direction. That energy change can be detected by the imaging equipment to figure out how dense and what kind of tissue you've got going on.
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