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Magnetic Resonance Imaging (MRI)

Magnetic resonance imaging is a technique that uses strong magnetic fields and radio waves to produce images showing the inside of the body.


The patient lies inside a large cylinder or tube shaped magnet and radio waves are then sent through the body. This temporarily affects the atoms inside the body, and when the radio waves are switched off, the atoms return to their previous state, sending out radio waves of their own.


The MRI scanner detects these radio waves and with the aid of computers, images can be reconstructed based on the location and strength of the incoming signals.