Don’t fret about learning MRI Physics! Join our proton buddies on a journey into the MR scanner's magnetic field, where they encounter radiofrequency pulses, generate echos, and combat T2* effects! We take it back to basics, focusing on the fundamentals of magnetic resonance and reviewing the components of a simple spin echo sequence.

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Video Outline:

0:00 Introduction
0:10 Protons
0:43 Magnetic fields
1:18 Precession, Larmor Equation
1:56 Radiofrequency pulses
3:00 Protons will be protons
3:45 Spin echo sequence
5:00 T1 and T2 time
5:51 Free induction decay
6:28 T2* effects
7:02 T2* effects (the distracted children analogy)
8:23 Spin echo sequence overview

Animation by Emily Wu, MA
Script and Narration by Erin Gomez, MD
Special thanks to the Johns Hopkins University DELTA Grant