How MRI works - Part 2: The Spin Echo.
Part 1 -
Part 3 -
0:00 - Intro
0:26 - What is Boltzmann Magnetization?
4:17 - Recap of the NMR Experiment and NMR Signal
7:04 - Clarification of Spin vs Ensemble Moments
8:42 - NMR Experiment Transmission (Tx) and Reception (Rx)
11:10 - Performing the NMR Experiment
13:07 - Two spins in different fields and T2*
16:09 - Larmor Distributions, Stacked spin dephasing and T2
19:23 - Transverse Magnetization M(t) and Frequency Distributions f(w)
25:00 - Larmor Distributions, Stacked spin dephasing and T2
27:43 - T2 vs T2* decay in Tissue
30:03 - Recap and Intro to the Spin Echo
30:49 - The Spin Echo Experiment
33:18 - Explanation of the Spin Echo
35:04 - Echo phase and Echo Math
37:14 - Conclusion and Exercises
38:11 - Outro
Drinking game: Take a drink every time I say “dramatically/substantially/drastically/ reduced“.
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