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MRI Physics | Magnetic Resonance and Spin Echo Sequences - Johns Hopkins Radiology

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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. Check out more educational resources for radiology residents and medical students at TeamRads.com 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
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