Ukuskena kwe-MRI yesisu

Iskena sokucabanga ngemagneti esiswini ukuhlolwa kwesithombe okusebenzisa ozibuthe abanamandla namagagasi omsakazo. Amagagasi enza izithombe zengaphakathi lesisu. Ayisebenzisi imisebe (x-ray).

Imifanekiso eyodwa yamagnetic resonance imaging (MRI) ibizwa ngokuthi izingcezu. Izithombe zingagcinwa kukhompyutha, zibukwe kumonitha, noma ziskenwe kwi-disc. Isivivinyo esisodwa sikhiqiza inqwaba noma kwesinye isikhathi amakhulu ezithombe.

Ungacelwa ukuthi ugqoke ingubo yasesibhedlela noma izingubo ezingenaziphu zensimbi noma izifinyezo (njengezikibha zokujuluka nesikibha). Izinhlobo ezithile zensimbi zingadala izithombe ezifiphele.

Uzolala etafuleni elincane. Ithebula lingena kuskena esikhulu esimise umhubhe.

Ezinye izivivinyo zidinga udayi okhethekile (umehluko). Isikhathi esiningi, udayi unikezwa ngesikhathi sokuhlolwa ngomthambo (IV) osesandleni sakho noma engalweni. Idayi isiza udokotela we-radiologist ukuthi abone izindawo ezithile ngokucace kakhudlwana.

Ngesikhathi seMRI, umuntu osebenzisa umshini uzokubuka ukwelinye igumbi. Isivivinyo sihlala cishe imizuzu engama-30 kuye kwangama-60, kepha kungathatha isikhathi eside.

Ungacelwa ukuthi ungadli noma uphuze noma yini amahora amane kuya kwayisithupha ngaphambi kokuskena.

Tshela umhlinzeki wakho wezokunakekelwa kwezempilo uma wesaba izindawo eziseduze (une-claustrophobia). Unganikezwa umuthi ozokusiza uzizwe ulele futhi ungakhathazeki kangako. Umhlinzeki wakho futhi angaphakamisa iMRI evulekile, lapho umshini ungasondelene kakhulu nomzimba wakho.

Ngaphambi kokuhlolwa, tshela umhlinzeki wakho uma ngabe:

• Amaphayiphu enhliziyo yokufakelwa
• Iziqeshana ze-aneurysm zobuchopho
• Inhliziyo defibrillator noma i-pacemaker
• Ukufakwa kwendlebe kwangaphakathi (cochlear)
• Isifo sezinso noma i-dialysis (ungahle ungakwazi ukuthola umehluko)
• Amalunga wokufakelwa asanda kufakwa
• Izinhlobo ezithile ze-vascular stents
• Kusetshenziswe ngensimbi yensimbi esikhathini esedlule (ungadinga ukuhlolwa ukuhlola izingcezu zensimbi emehlweni akho)

Ngoba i-MRI iqukethe odonsa abanohlonze, izinto zensimbi azivunyelwe ukungena egumbini elinesithwebuli se-MRI. Gwema ukuphatha izinto ezinjengalezi:

• Amapokhethi, amapeni nezibuko zamehlo
• Amawashi, amakhadi esikweletu, ubucwebe nezinsiza-kuzwa
• Ama-hairpins, uziphu wensimbi, izikhonkwane, nezinto ezifanayo
• Izimila zamazinyo ezisusekayo

Ukuhlolwa kwe-MRI akubangeli buhlungu. Ungathola umuthi wokukuphumuza uma unenkinga yokulala unganyakazi noma unovalo kakhulu. Ukuhamba kakhulu kungafiphaza izithombe ze-MRI futhi kubangele amaphutha.

Itafula lingaba nzima noma libande, kepha ungacela ingubo noma umcamelo. Umshini wenza umsindo omkhulu wokuduma nokuhayiza lapho uvuliwe. Ungafaka ama-plugs endlebe ukusiza ukunciphisa umsindo.

I-intercom egumbini ikuvumela ukuba ukhulume nomuntu nganoma yisiphi isikhathi. Amanye ama-MRIs anamathelevishini namahedfoni akhethekile ukukusiza ukuthi udlule isikhathi.

Asikho isikhathi sokululama, ngaphandle kokuthi unikezwe umuthi ozokusiza uphumule. Ngemuva kokuskena kwe-MRI, ungabuyela ekudleni kwakho okujwayelekile, emsebenzini, nasemithini.

I-MRI yesisu inikeza izithombe eziningiliziwe zendawo yesisu kusuka ekubukeni okuningi. Kuvame ukusetshenziselwa ukucacisa okutholakele ezivivinyweni zangaphambilini ze-ultrasound noma ze-CT scan.

Lokhu kuhlolwa kungasetshenziselwa ukubheka:

• Ukugeleza kwegazi esiswini
• Imithambo yegazi esiswini
• Imbangela yobuhlungu besisu noma ukuvuvukala
• Imbangela yemiphumela yokuhlolwa kwegazi engajwayelekile, njengezinkinga zesibindi noma zezinso
• Ama-lymph nodes esiswini
• IMisa esesibindi, izinso, i-adrenals, amanyikwe, noma ubende

I-MRI ingahlukanisa izicubu nezicubu ezijwayelekile. Lokhu kungasiza udokotela ukuthi azi kabanzi ngesimila njengosayizi, ubunzima, nokusabalala. Lokhu kubizwa ngokuthi isiteji.

Kwezinye izimo inganikeza imininingwane engcono mayelana nobuningi esiswini kune-CT.

Umphumela ongajwayelekile ungaba ngenxa yalokhu:

• I-aneurysm yesisu esiswini
• Ithumba
• Umdlavuza noma izicubu ezibandakanya izindlala ze-adrenal, isibindi, i-gallbladder, amanyikwe, izinso, ureters, amathumbu
• Ubende obukhulisiwe noma isibindi
• Izinkinga ze-gallbladder noma ze-bile
• AmaHemangiomas
• I-Hydronephrosis (ukuvuvukala kwezinso kusuka ekuphumeni komchamo)
• Ukutheleleka kwezinso
• Ukulimala kwezinso noma izifo
• Amatshe ezinso
• Ama-lymph node akhulisiwe
• I-vena cava evinjelwe
• Ukuvinjelwa kwe-portal vein (isibindi)
• Ukuvaleka noma ukuncipha kwemithambo ehambisa izinso
• I-vein vein thrombosis
• Ukwenqatshwa kwezinso noma kwesibindi
• I-cirrhosis yesibindi
• Ukusabalala komdlavuza oqale ngaphandle kwesisu

I-MRI ayisebenzisi imisebe ye-ionizing. Ayikho imiphumela emibi ebangelwe amandla kazibuthe namagagasi omsakazo abikiwe.

Uhlobo oluvame kakhulu lokuqhathanisa (udayi) olusetshenzisiwe yi-gadolinium. Kuphephe kakhulu. Ukusabela okweqile kungavamile kodwa kungenzeka. Uma unomlando wokungazwani okweqile kweminye imithi kufanele wazise udokotela wakho. Ngaphezu kwalokho, i-gadolinium ingaba yingozi kubantu abanezinkinga zezinso abadinga i-dialysis. Tshela umhlinzeki wakho ngaphambi kokuhlolwa uma unezinkinga zezinso.

Amandla kazibuthe aqinile adalwe ngesikhathi seMRI angadala ukuthi izinhliziyo zisebenze futhi nezinye izinto zokufakelwa zingasebenzi. Omazibuthe nabo bangadala ukuthi ucezu lwensimbi ngaphakathi komzimba wakho luhambe noma lushintshe.

Umsindo kazibuthe wenuzi - isisu; I-NMR - isisu; Ukucabanga ngemagnificent resonance - isisu; I-MRI yesisu

• Ukulungiswa kwe-aortic aneurysm - endovascular - discharge

• Uhlelo lokugaya ukudla
• Ukuhlolwa kwe-MRI

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