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11 Cards in this Set

  • Front
  • Back
CT is based on what?
Ionizing radiation

Computer
MRI is based on what?
Magnetic field

Radiofrequency pulses

Computer
Describe T1
- SE sequence?
- Looks for what?
- specificity?
- sensitivity?
Short TR / Short TE

External features (outline)

High

Low
Describe T2
- SE sequence?
- Looks for what?
- specificity?
- sensitivity?
Long TR / Long TE

Internal architecture

Low

Hign
What is TR and its units?
Repetition time

milliseconds
What is TE and its units?
Echo time

milliseconds
Describe Protein density.
Balanced Echo

Long TR / Short TE
Describe what will by hypointense (dark) for T1.
Air / gas

water / CSF
Describe what will be hypointense (dark) for T2.
Air / gas

Calcium
Describe what will be hyperintense (bright) for T1.
Methemoglobin
Proteinaceous fluid

Melanin
Fat
Describe what will be hyperintense (bright) for T2.
Methemoglobin
Proteinaceous fluid

Water / CSF
All sorts of pathology