Olunye Uhlobo Olujwayelekile Lokuhlolwa Okungavamile
I-MRI, eyaziwa nangokuthi i-imagination magontic resonance, inguhlolo lwezokwelapha olungenabuhlungu olungenasidingo olusetshenziselwa ukuguqula izithombe ezimbili zomzimba zezakhiwo zomzimba. Le nqubo isebenzisa amasimu amakhulu amakhulu ukuze enze izithombe zangaphakathi komzimba.
I-MRIs isetshenziselwa ukubona izinkinga emzimbeni noma ebuchosheni ngaphandle kokuhlinzwa, futhi ingakwazi ukukhomba okungavamile okuvela ngaphandle komzimba.
Ubani Ongenayo i-MRI
Iziguli ezinezimboni emzimbeni wazo ezinezinsimbi, njenge-pacemaker noma ezinye izinhlobo zamadivayisi omzimba, zingase zingakwazi ukukwazi ukuthola i-MRI njengoba umshini usebenzisa ama-magnets anamandla kakhulu ukuthola izithombe ezidingekayo. Lo mkhawulo ungase usebenzise nezinye izinto zensimbi emzimbeni, njengezinhlamvu zezingqimba, izinhlanzi zensimbi nezinsimbi ezifanayo zensimbi. Lokhu kungenxa yokuthi umshini usebenzisa ama-magnets anamandla kakhulu ukuze akhiqize izithombe ezisetshenziselwa ukuxilonga ukugula futhi amamitha angakwazi ukuheha insimbi esemzimbeni.
Uma kunombuzo wokuthi isiguli singase sibe nohlobo oluthile lensimbi emzimbeni wabo olungaphazamisa ukuhlolwa kwe-MRI isiguli singaba ne-X ray, ngokuvamile ebonisa imicibisholo ngokucacile, noma ingaba ne-CT scan engasebenzisi amamitha ukukhiqiza izithombe zangaphakathi komzimba. Lokhu ngokuvamile akuyona inkinga ngoba iziguli eziningi ziyazi uma zinezinhlobo zokufakelwa; Kodwa-ke, uma isiguli singenalutho noma singakwazi ukunikeza umlando wezokwelapha ingozi yokwenza lolu hlobo lokuskena ngokusobala luphakeme.
Abantu abane-titanium emzimbeni wabo bavame ukuba ne-MRI.
Izinzuzo ze-MRI
Isivivinyo se-MRI sivumela ithimba lokunakekelwa kwezempilo ukuthi libone izakhi zangaphakathi zomzimba ngaphandle kokwenza ukuchotshozwa. Ukuhlolwa kuyashesha futhi kukwazi ukukhiqiza izithombe ezitholakala ngokuningiliziwe. Isibonelo, uma isiguli sinezibonakaliso ezinjenge-stroke, i-MRI ingenziwa ukuze ibheke izitsha zegazi zobuchopho - ngisho nezitsha ezincane kakhulu ezinzima ukuzihlola.
Imifanekiso eningiliziwe eyenziwe yi-MRI ingasiza futhi ekuhloleni ukugula okungase kuthinte amathambo, imisipha noma ezinye izinhlobo zamathishu. Uma udokotela wakho esolwa ukuthi unesifo noma inqubo yesifo, i-MRI ingalawulwa ngomzamo wokuthola inkinga. Kwezinye izimo, ukuxilongwa kungenziwa nge-MRI futhi kungavimbela noma kubonise isidingo sokuhlinzwa .
Ngaphandle kokuhlukumezeka kokuhlala esesimweni esisodwa ngenkathi ukuhlolwa kuqediwe, i-MRI ayibuhlungu. Umshini ungase uphakamise kakhulu lapho usebenza, kodwa ama-earplugs avame ukutholakala kulabo abahlukunyezwa ngomsindo.
Ayikho imishanguzo eyenziwe yimishini ye-MRI, ngakho-ke izingozi zokuba ne-MRI ayincane kakhulu isiguli esingenayo insimbi emzimbeni wabo.
Vula i-MRI ne-MRI yendabuko
Ku-MRI yendabuko, isiguli sifakwa embhedeni ohamba ngaphakathi kwiphubhu, lapho i-MRI isenziwa khona. I-MRI evulekile, inketho yeziguli ezikhathazeka yizikhala ezincane noma zikhulu kakhulu, azidingi ukuthi iziguli zifakwe ngaphakathi kwiphubhu, kodwa zenziwa "evulekile".
Iziguli ezidinga i-MRI kodwa zinenkinga ngezikhala ezincane zivame ukunikezwa imithi yokwehlisa izinga lokukhathazeka ngaphambi kwenqubo.
Izinhlobo ze-MRI
I-MRI ingalawulwa noma ngaphandle kokungafani. I-contrast medium iwuketshezi olunikezwa nge-IV, futhi ingavumela izithombe ezengeziwe ukuthi zitholakale. Kulezi ziguli eziningi, i-MRI ngaphandle kokuqhathaniswa yenziwa, ilandelwa umjovo wezinto eziphambene nomzimba we-MRI wesibili, lokhu okungafani. Esikhathini esidlule, abantu abanezifo ze-shellfish behlulekile ukuhlukana njengoba bekuqukethe iodini. Izinhlobo ezintsha zokuphambene zisho ukuthi ukungezwani komzimba we-shellfish akuvimbeli ukusetshenziswa kokuphambene.
Zonke izindawo zomzimba zingashenwa ngokusebenzisa ubuchwepheshe be-MRI, kuhlanganise nenhliziyo nobuchopho.
Futhi eyaziwa njenge: Imagination Resonance Magnetic , Open MRI
Izibonelo: I-MRI yanconywa ukuba inqume ukuthi isiguli siphethwe yini ngenxa yesifo.
> Umthombo:
> Ukuphikisana kwe-Cardiac MRI. Emory Healthcare. Kufinyelelwe ngoJulayi 2016. http://www.emoryhealthcare.org/cardiac-imaging/imaging-services/heart-mri/mri-contradictions.html