Video: Puas muaj hluav taws xob ntau npaum li cas hauv lub ncauj tsev menyuam nqaj qaum x ray?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Yooj yim. Thaum nws los txog hluav taws xob , ib c- luj x - ray xa txog 0.2 mSv thaum CT ntawm tus cervical qaum xa tawm txog 4-6 mSv (uas kuv pom qhov xav tsis thoob vim lub taub hau CT yog li 2 mSv). Tus nqi ntawm hluav taws xob cuam tshuam nrog CT scans yog qhov sib txawv heev raws li qhov twg thiab lawv ua li cas.
Kuj tseem yuav paub yog, muaj hluav taws xob ntau npaum li cas hauv tus txha caj qaum X?
| Cov txheej txheem kev yees duab thiab lawv qhov kwv yees zoo siv hluav taws xob koob tshuaj* | ||
|---|---|---|
| Txheej txheem | Qhov nruab nrab noj tau zoo (mSv) | Ntau yam tshaj tawm hauv cov ntaub ntawv (mSv) |
| X-ray, lumbar nqaj qaum | 1.5 | 0.5–1.8 |
| CT, lub taub hau | 2 | 0.9–4 |
| CT, mob plawv rau kev ntsuas calcium | 3 | 1.0–12 |
Ib yam li ntawd, lub ncauj tsev menyuam txha caj qaum yog dab tsi? A cervical spine X-ray yog qhov kev nyab xeeb thiab tsis mob uas siv cov hluav taws xob me me los thaij duab ntawm cov pob txha nyob tom qab ntawm lub caj dab ( ncauj tsev menyuam vertebrae ). Thaum lub sij hawm xeem, ib X-ray tshuab xa kab hluav taws xob hla lub caj dab, thiab cov duab raug kaw hauv zaj duab xis tshwj xeeb lossis lub khoos phis tawj.
Hais txog qhov no, caj dab X rays puas txaus ntshai?
Feem ntau, caj X - rays muaj kev nyab xeeb heev. Txawm hais tias ib qho kev raug hluav taws xob ua rau muaj kev pheej hmoo rau lub cev, tus nqi siv hauv a caj X - ray yog me me thiab tsis suav nrog txaus ntshai.
Lub caj dab X-ray puas tuaj yeem pom cov qog?
Tus txha nqaj qaum X - ray tej zaum yuav raug txiav txim los soj ntsuam ib sab los yog caj dab raug mob, lossis pab nrog kev kuaj mob thiab kho mob nraub qaum lossis caj dab mob. qaum X - duab ci tau pab ntes : Fractures (so) Cov qog nqaij hlav (cov kab mob txawv txav ntawm cov hlwb)
Pom zoo:
Tus kws saib xyuas hluav taws xob hluav taws xob ua dab tsi?
Cov kws saib xyuas hluav taws xob oncology tau qhia tshwj xeeb hauv kev kho hluav taws xob thiab ua haujlwm ze nrog koj tus kws kho hluav taws xob hluav taws xob. Ib feem ntawm lawv lub luag haujlwm yog los tshuaj xyuas koj li cas thiab pab koj daws qhov kev hloov pauv hauv koj txoj kev kho mob. Lawv yuav piav qhia thiab pab koj los tswj cov kev mob tshwm sim
Puas yog koj siv hluav taws xob tom qab kev kho hluav taws xob?
Qee cov neeg mob qog noj ntshav uas tau txais kev kho hluav taws xob txhawj xeeb tias lawv lub cev yuav dhau los ua "xov tooj cua" tom qab lawv tau txais kev kho hluav taws xob. "Kev siv hluav taws xob me me tuaj yeem siv tau txhua hnub nyob rau ib lub sijhawm txij li ob peb hnub mus rau ntau lub lis piam
Ntev npaum li cas qhov chaw nyob rau hluav taws xob hluav taws xob?
Tom qab koj ua tiav kev xyaum ua haujlwm ib xyoos, koj yuav tsum ua kom tiav 4 xyoo nyob hauv kev kuaj mob. Thaum lub sijhawm koj nyob, koj yuav tsum tau zaum rau ntau qhov kev xeem ua los ntawm American Boardof Radiology. Qhov no suav nrog kev sau ntawv thiab kev hais lus ntawm rooj sab laj thiab kev tshuaj xyuas lub cev
Puas yog hluav taws xob hluav taws xob tsis yog ionizing?
Tsis-ionizing (lossis tsis-ionising) hluav taws xob yog hais txog txhua hom hluav taws xob hluav taws xob uas tsis muaj lub zog txaus rau quantum (photon zog) rau ionize atoms lossis molecules - uas yog, kom tshem tawm cov hluav taws xob los ntawm lub atom lossis molecule
Lub tshuab hluav taws xob X hluav taws xob ua haujlwm li cas?
Lub tshuab hluav taws xob X-ray feem ntau muaj lub raj xoo hluav taws xob los tsim cov duab hluav taws xob. Lub raj xoo hluav taws xob yog lub raj nqus yooj yim uas muaj cov cathode, uas coj cov dej ntawm cov hluav taws xob mus rau hauv lub tshuab nqus tsev, thiab anode, uas khaws cov hluav taws xob thiab ua los ntawm tungsten kom tshem tawm cov cua sov uas tsim los ntawm kev sib tsoo