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MR imaging

Magnetic resonance imaging is one of the hardest subjects to understand in radiology physics, probably because most of the concepts are often oversimplified.

If you want to get to the “truth”, then you’ll need a big textbook. However, I’ll be focusing on what you need to pass the exam.

The first section of this chapter covers a little on the MR machine and the various magnets and coils as this will make it easier to understand the axes and how the transverse magnetisation is produced. This is then followed by an introduction to MRI which covers the basic physics of MR needed to understand everything else. We’ve subsequently separated out the physics of MR imaging in a way we found it easiest to work through and understand.

Recommended reading

There are many different books out there on MRI imaging.  No individual book is ‘best’ as it largely depends on your individual learning style.  Having said that, MRI from Picture to Proton is excellent as it’s simple to follow and easy to understand, taking you step-by-step through MRI.  If you have this book, you’ll be fine in the physics exam!  For a comprehensive list of recommended physics books, courses and online resources, take a look at the Radiology Cafe First FRCR exam hints and tips page.

  Further reading

For further clarification there are many online and paper sources of information.