Home
Flashcards
Preview
IM Final MRI.txt
Home
Get App
Take Quiz
Create
What do fluid collections help distinguish in MRI?
Fluid = signs of infection
What type of MRI is a
spin lattice relaxation time
?
T1
What type of MRI is a
spin-spin relaxation time
?
T2
What is the TE/TR measurement for T1 and T2?
T1 = short TE/TR
T2 = long TE/TR
What is a
VOXEL
?
pixel, cube component digitally utilized to build 3D images
What is the cutoff for short/long TE/TR?
Short
TE = 40
TR = 500
Long
TE= 90
TR = 1500
What is TE/TR for spin echo?
Long TR >1500
Short TE < 40
Common slice pattern for MRI?
Lateral to medial
Three axis of MRI?
Transverse
Sagittal
Coronal
What is
Gadolinium
used for?
increase contrast and sensitivity to fluid for MRI
What is the Magic Angle Effect?
55 degree artifact
present on T1 but lost on T2
What is the most common tendonopathy?
Achilles (42%)
What are T1/T2 readings (hyper/hypointense) for acute and chronic tendon tears?
Chronic:
T1 = hyperintense, T2 = hypointense
Acute:
T1 & T2 = hyperintense
Author
kepling
ID
96628
Card Set
IM Final MRI.txt
Description
IM Final MRI
Updated
8/10/2011, 7:04:35 PM
Show Answers
Home
Flashcards
Preview