The flashcards below were created by user
kepling
on FreezingBlue Flashcards.
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What do fluid collections help distinguish in MRI?
Fluid = signs of infection
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What type of MRI is a spin lattice relaxation time?
T1
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What type of MRI is a spin-spin relaxation time?
T2
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What is the TE/TR measurement for T1 and T2?
- T1 = short TE/TR
- T2 = long TE/TR
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What is a VOXEL?
pixel, cube component digitally utilized to build 3D images
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What is the cutoff for short/long TE/TR?
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What is TE/TR for spin echo?
- Long TR >1500
- Short TE < 40
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Common slice pattern for MRI?
Lateral to medial
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Three axis of MRI?
- Transverse
- Sagittal
- Coronal
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What is Gadolinium used for?
increase contrast and sensitivity to fluid for MRI
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What is the Magic Angle Effect?
- 55 degree artifact
- present on T1 but lost on T2
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What is the most common tendonopathy?
Achilles (42%)
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What are T1/T2 readings (hyper/hypointense) for acute and chronic tendon tears?
- Chronic:T1 = hyperintense, T2 = hypointense
- Acute: T1 & T2 = hyperintense
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