Printable Handouts

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Navigable Slide Index

1. Introduction
2. History of magnetic resonance
3. Magnetic resonance scanners
4. Overview of MRI scanner
5. Nuclei in a magnetic field
6. Excitation
7. Chemical shifts
8. T1 - relaxation
9. T2 - relaxation
10. Spin echo
11. Gradient echo
12. Slice selection/thickness
13. Phase and frequency encoding of the MR signal
14. Gradient echo imaging sequence
15. Spatial resolution
16. Spatial resolution (movies)
17. K space
18. Image contrast and noise
19. T1 contrast: TR and flip angle
20. T2 contrast
21. Signal to noise and contrast to noise in MRI
22. Localized spectroscopy
23. Volume localized MRS sequence
24. Volume localization using PRESS
25. STEAM
26. Brain MRS
27. Spectroscopic imaging

Topics Covered

• History of magnetic resonance
• Magnetic resonance scanners
• Nuclei in a magnetic field -Excitation
• Chemical shifts
• T1 relaxation
• T2 relaxation
• Spin echo
• Gradient echo and its imaging sequence
• Slice selection/thickness
• Phase and frequency encoding of the MR signal
• Spatial resolution
• K space
• Image contrast and noise
• T1 contrast: TR and flip angle
• T2 contrast
• Signal to noise and contrast to noise in MRI
• Localized spectroscopy
• Volume localized MRS sequence
• Volume localization using PRESS
• STEAM
• Brain MRS
• Spectroscopic imaging

Links

Series:

• Medical Imaging

Categories:

• Clinical Medicine
• Methods

Talk Citation

Publication History

• Published on December 27, 2010
• Reviewed on May 1, 2020

Financial Disclosures

• Dr. Sendhil Velan has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.