Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Medical Imaging > NMR/MRI > Flashcards

NMR/MRI Flashcards

You may prefer our related Brainscape-certified flashcards:
USMLE® Step 1 flashcards
1
Q

What does NMR give details on

A

H density
Spin-lattice interactions
Spin-spin interactions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How does the spin-echo system work

A
  1. Apply 90° pulse, switched off, T2 de phased
  2. After TE/2 apply 180° pulse(spins start rephasing)
  3. Envelope of the maxima of FID gives tissue relaxation T2
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What does phase expanding give us and how

A

2D image from FT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is an exhogenic contrast agent

A

External paramagnetic substance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is an endogenic contrast agent

A

Paramagnetic substance already present in the organism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly

Medical Imaging (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions