How MRI Works - Part 2 - The Spin Echo скачать в хорошем качестве

How MRI Works - Part 2 - The Spin Echo

How MRI works - Part 2: The Spin Echo. Part 1 - NMR Basics:    • How MRI Works - Part 1 - NMR Basics   Part 3 - Fourier Theory and kSpace:    • How MRI Works - Part 3 - Fourier Transform...   Part 4 - The Gradient Echo Sequence:    • How MRI Works - Part 4 - The Gradient Reca...   Slides can be purchased here:   / powerpoint-slides-how-mri-works-part-2-24842   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".