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Theme 1: Fundamental Neuroscience and the Brain > Imaging Practical > Flashcards

Imaging Practical Flashcards

1
Q

T1 Weighted Imaging

A

fluid is black

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2
Q

T2 Weighted Imaging

A

fluid is white

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3
Q

Why might contrast be given?

A

Used to increase contrast resolution (ie. highlight specific areas/organs)

Is given intravenously (IV), or enteral (oral/PR) before a scan

Is either more or less dense than surrounding tissues (for XR/CT), or paramagnetic (for MRI)

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4
Q

CT vs MRI

A

Spatial Resolution: higher in CT

Contrast Resolution:
higher in MRI

Contrast risk in both

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Theme 1: Fundamental Neuroscience and the Brain (24 decks)

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