What are all the different types of noises that an MRI makes when you’re getting a scan? And why is it different noises every few minutes?
In: Technology
Essentially an MRI machine works by creating magnetic fields at very concise moments and areas along the area it is scanning. Because you want the patient to be in the machine the least amount of time as possible you need to create those magnetic fields (or apply gradients – that’s a more technical term and I won’t explain it because it doesn’t really answer the question) extremely quickly. In order to do that you need to manipulate the magnets in the machine quickly as well. The noise you hear is largely just the mechanical mechanism within the MRI spinning the magnets back and forth extremely quickly.
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