![Dab tsi tuaj thawj CT lossis MRI? Dab tsi tuaj thawj CT lossis MRI?](https://i.answers-medical.com/preview/medical-health/13828194-what-came-first-ct-or-mri-j.webp)
Video: Dab tsi tuaj thawj CT lossis MRI?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ib daim ntawv ntawm sib nqus resonance imaging ( MRI ) thiab xam tomography ( CT ) tau tsim nyob rau xyoo 1970 thiab 1980s. Qhov tshiab MRI thiab CT cov thev naus laus zis tau txiav txim siab tsis zoo ntau ntxiv thiab tau piav qhia ntau dua hauv qab no.
Hais txog qhov no, thaum twg yog thawj qhov CT scan siv?
Cov thawj CT scanner tau tsim los ntawm Godfrey Hounsfield xyoo 1971. Nws tau tsim los tsuas yog thaij duab hauv lub hlwb, thiab qhia pom lub paj hlwb hauv tus poj niam hnub nyoog 41 xyoos. Tomographic cov txheej txheem tau ua siv txij li xyoo 1930s, tab sis Hounsfield yog tus thawj los ua ke tshuab xoo hluav taws xob thiab khoos phis tawj.
Ib sab saum toj no, CT scan qhia tias MRI tsis yog dab tsi? CT kuaj siv hluav taws xob (X-rays), thiab MRIs tsis ua . MRI muab cov ntaub ntawv ntxaws ntxaws txog cov kabmob sab hauv (cov nqaij mos) xws li lub paj hlwb, lub cev pob txha, kev tsim menyuam yaus thiab lwm yam kabmob nruab nrog cev tshaj li tau muab los ntawm CT luam ntawv . MRI cov tshuab luam ntawv tuaj yeem ua teeb meem kev nyab xeeb vim nws cov hlau nplaum muaj zog.
Hais txog qhov no, dab tsi tau siv ua ntej MRI?
Thaum kev tshawb pom cuam tshuam nrog cov chaw sib nqus thiab siv ntawm xov tooj cua tsis tau ua ua ntej mus txoj kev loj hlob ntawm MRI thev naus laus zis, Paul Lauterbur muaj peev xwm txhim kho MRI thaum nws tshawb fawb txog nuclear sib nqus resonance (NMR). Lauterbur kwv yees tias NMR tuaj yeem yog siv los tsim cov duab ntawm cov ntaub so ntswg hauv tib neeg lub cev.
Qhov twg yog qhov tseeb dua CT scan lossis MRI?
Ob leeg MRIs thiab CT kuaj tuaj yeem saib sab hauv lub cev. Txawm li cas los, a CT luam ntawv sai dua thiab tuaj yeem muab cov duab ntawm cov ntaub so ntswg, kabmob, thiab cov qauv pob txha. Ib MRI yog qhov zoo tshaj ntawm kev ntes cov duab uas pab kws kho mob txiav txim siab yog tias muaj cov nqaij mos txawv txav hauv lub cev. MRIs yog ntau dua ntxaws hauv lawv cov duab.
Pom zoo:
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