MRI (hotunan yanayi mai kwakwalwa) wata hanya ce ta nazarin kwayoyin halitta da kuma kyallen takarda, wanda a lokuta da yawa yana da muhimmancin gaske wajen kafa samfurin ƙwarewa da kuma magance magani. Hanyar ta sa ya yiwu a samo cikakken hoton, wanda ya ba da damar bayyana alamun ƙananan alamun tsari.
Mafi yawancin lokuta, ana amfani da MRI don gano asalin kwayoyin tsarin kulawa na tsakiya, tsarin ƙwayoyin cuta, gabobin ciki, kashin baya. Nunawa shine saboda karuwar amsawar electromagnetic na hawan hydrogen a sakamakon mayar da martani ga aikin su ta hanyar motsi na lantarki a cikin filin magnetic da aka damu sosai. Hanyar bayani game da hanya ta karu ta hanyar amfani da wakilan masu bambanta.
Shin tsarin MRI ya lalace?
Hakanan ana iya ganin hotunan baƙi a cikin jiki, wanda ya tabbatar da yawan binciken. Amma duk da wannan, akwai wasu contraindications zuwa ga gudanar da, saboda haka dole ne a yi MRI kawai bisa ga alamar likita kuma la'akari da matakan tsaro.
Ya kamata a fahimci cewa maganin ƙwayoyin cuta ga MRI ba su da alaƙa da yiwuwar cutarwa na hanya, amma ga kowane halayen halayen halayen da ƙuntatawa dangane da buƙatar zama a cikin sararin samaniya a ƙarƙashin aikin filin magnetic. Wannan shi ne saboda tasiri na filin a kan abubuwa masu kyan gani, kayan lantarki da na lantarki waɗanda za a iya samu a jikin mutum. Hanyar tasiri na iya haifar da rushewa a aikin su, maye gurbin.
Contraindications zuwa MRI
Dukkanin dalilai, inda fassarar hotunan yanayi ya zama ba zai yiwu ba, an raba shi zuwa kungiyoyi biyu: zumunta da cikakkun takaddama. Abubuwan da suka shafi zumunci sune dalilai wanda za'a iya tsara hanya, amma tare da wasu yanayi. Kasancewar cikakkiyar takaddama shine haramtacciyar hanyar bincike, wanda ba za a iya soke shi ba har abada ko na dogon lokaci.
Saboda haka, dangin zumunci MRI sune:
- Ƙarfafa zuciya rashin cin nasara ;
- ciki (farko na farko);
- insulin farashinsa;
- artificial zuciya valves;
- hotunan hemostatic;
- masu tayar da hankali ga tsarin jin dadi;
- claustrophobia (don dubawa a cikin rami tomographs);
- tattoos a kan jiki, wanda aka yi da nau'ikan da ke dauke da launin-zane;
- yanayin tsanani mai tsanani na mai haƙuri.
Kuskuren takaddama ga MRI sune kamar haka:
- gaban wani sakonni;
- shigar da kayan Ilizarov;
- ƙananan ƙarfe na ƙarfe, ƙananan gishiri;
- implant na kunne tsakiyar;
- shirye-shirye hemostatic intracranial da aka yi da karfe.
Wadannan contraindications masu zuwa suna nufin MRI na kai (kwakwalwa), spine , abdomen, mammary gland da sauran sassan jiki. Idan mai haƙuri ba shi da wata takaddama ga binciken, za'a iya maimaita MRI sau da yawa.
Contraindications zuwa MRI tare da bambanci
A wasu lokuta, ana buƙatar MRI tare da yin amfani da bambanci - magani mai mahimmanci wanda aka gudanar da hanzari kuma yana barin "walƙiya" gabobin ciki. A matsayinka na mai mulki, bambancin shirye-shirye bazai haifar da halayen rashin tausayi da kuma sakamako mai lalacewa ba, basu da tasiri a jiki. Saboda haka, contraindications ga MRI tare da wakili mai bambanci sun hada da farkon farkon shekaru uku na ciki (a wannan lokaci, tayin zai fi dacewa), da kuma rashin amincewa da abubuwan da aka ba su.