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11 Cards in this Set
- Front
- Back
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CT is based on what?
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Ionizing radiation
Computer |
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MRI is based on what?
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Magnetic field
Radiofrequency pulses Computer |
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Describe T1
- SE sequence? - Looks for what? - specificity? - sensitivity? |
Short TR / Short TE
External features (outline) High Low |
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Describe T2
- SE sequence? - Looks for what? - specificity? - sensitivity? |
Long TR / Long TE
Internal architecture Low Hign |
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What is TR and its units?
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Repetition time
milliseconds |
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What is TE and its units?
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Echo time
milliseconds |
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Describe Protein density.
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Balanced Echo
Long TR / Short TE |
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Describe what will by hypointense (dark) for T1.
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Air / gas
water / CSF |
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Describe what will be hypointense (dark) for T2.
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Air / gas
Calcium |
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Describe what will be hyperintense (bright) for T1.
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Methemoglobin
Proteinaceous fluid Melanin Fat |
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Describe what will be hyperintense (bright) for T2.
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Methemoglobin
Proteinaceous fluid Water / CSF All sorts of pathology |
