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Video: Qhov projection txhais li cas hauv radiology?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Radiographic duab Kev kwv yees
Txoj hauj lwm hais txog kev tso kawm lossis txoj haujlwm ntawm lub cev raws li ntu kawg. Kev kwv yees hais txog txoj kev xoo hluav taws xob nqaj, zoo li xub, hla lub cev thaum tus neeg nyob hauv txoj haujlwm ntawd. IR nyob ntawm ib sab qhov twg xoo hluav taws xob beam tawm ntawm lub cev.
Hauv qhov hais txog qhov no, qhov projection imaging yog dab tsi?
Xoo hluav taws xob duab yog a txoj hau kev txheej txheem, thiab duab kev tsim tawm yuav siv qhov chaw ib txwm muaj ntawm cov yeeb yaj kiab photosensitive, txawm hais tias ncaj qha xoo hluav taws xob duab yog ua ntau thiab ntau dua. Hauv nws daim ntawv feem ntau, X-ray duab yog kev coj ua zoo.
Qhov thib ob, vim li cas Pa thiaj zoo dua AP? Lub plawv duab ntxoov ntxoo tau nthuav dav vim tias nws yog cov qauv ua ntej. Cov AP qhia kev nthuav dav ntawm lub plawv thiab nthuav dav ntawm mediastinum. Thaum twg ua tau los tus neeg mob yuav tsum tau yees duab hauv qhov ncaj PA txoj hauj lwm. AP kev pom tsis muaj txiaj ntsig thiab yuav tsum tau tseg rau cov neeg mob hnyav uas tsis tuaj yeem sawv ntsug.
Tsis tas li kom paub, dab tsi yog thawj nqaj hauv radiology?
Thaum ua qhov raug, xoo hluav taws xob tawm ntawm lub raj raws li qhov paub tias yog thawj nqaj . Thaum lub thawj nqaj dhau los ntawm lub cev, qee qhov hluav taws xob tau nqus rau hauv cov txheej txheem hu ua attenuation.
Dab tsi yog tangential projection?
Cov tangential projection sawv cev rau tus kws tshaj lij txoj hau kev uas nrog txoj kev vam meej tuaj yeem ua tiav nrog txheej xoo hluav taws xob kho hniav. Lub hauv paus xoo hluav taws xob tau taw qhia kab rov tav thiab sib npaug rau cov yeeb yaj kiab dhau los (raws li qhov tangent) sab xub ntiag ntawm ob lub maxilla lossis mandible.
Pom zoo:
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Lat · er · al pro · jec · tion. radiographic projection nrog x-ray nqaj hauv lub dav hlau coronal
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