imagerie Flashcards

1
Q

principe du scanner

A

utilise des RX + tomodensitométrie

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2
Q

CI scanner

A

grossesse

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3
Q

inconveénients scanner

A

manque de sensibilité de contraste

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4
Q

principe CBCT

A

tube produit un fasceau conique de photons X enregistrés par un capteur. Plusieurs centaines d’images 2D sont reconstruites en 3D

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5
Q

principe IRM

A

utilisation d’un champs magnétique pour analyser le comportement des protons dans l’eau
utilise des radiofréquences

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6
Q

CI IRM

A

appareil métallique + 1er trimestre grossesse

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7
Q

dose efficace CBCT

A

100 micro sivert

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