How MRI Works - Part 4 - The Gradient Recalled Echo (GRE) MRI Sequence
Part 1 - NMR Basics: [ Ссылка ]
Part 2 - The Spin Echo: [ Ссылка ]
Part 3 - Fourier Theory and k-Space: [ Ссылка ]
Powerpoint slides from this lecture can be purchased here:
[ Ссылка ]
0:00 - Intro
1:07 - NMR Review
2:14 - Laboratory/Rotating Reference Frames
4:18 - The Gradient Echo
7:28 - GRE Overview
10:52 - Scanner: B0 Magnet
12:57 - Scanner: Gradient Coils
16:45 - Scanner: RF Coil
19:23 - Slice Selection
26:46 - The Signal Equation
29:17 - Frequency Encoding
32:56 - Phase Encoding
36:20 - k-Space and Gradients
44:19 - k-Space and Signal
48:30 - The Gradient Recalled Echo Sequence
52:06 - Phase vs Frequency Encoding
55:42 - Echo Planar Imaging
56:23 - GRE Exercise and Outro
[1] [ Ссылка ]
