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K6 - Gen > Datortomografi > Flashcards

Datortomografi Flashcards

1
Q

Vad är principen?

A

Röntgenstrålar och detektorer som roterar och ger bild i tre snittplan

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2
Q

Vad är en voxel?

A

Nummeriska värdet av varje vinkling vid roteringen

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3
Q

Vilka skala används vid CT?

A

Hounsfield-skalan

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4
Q

När väljer man intravenös kontrast?

A

Jodkontrast, vanligast

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5
Q

När väljer man per oral kontrast?

A

Magsäcken
Tarm
Postoperativ

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6
Q

Vilka är kontraindikationerna för CT?

A 
Nedsatt njurfunktion
Thyroideasjukdom
Myastenia gravis
Metformin
Allergi
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K6 - Gen (11 decks)

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