MRI na zuciya

Magnetic rawa Dabarar - shi ne daya daga cikin mafi m hanyoyin zamani bincikowa. Wannan hanya da ke sa shi yiwuwa a sami wani image na daban-daban jikinsu da kuma a lokacin da na halitta motsi da kuma a sauran. Bugu da kari, MRI scans yi a 2-3 tsinkaya da high ƙuduri, shi ba ka damar gano da aikin halaye na sashin jiki.

MRI a cardiology kuma cardiac tiyata sigar musamman da amfani da dabara. Da taimakon karatu da zuciya, da aiki na bawuloli, canje-canje a duk zuciya da bẽnãye a lokacin wani ƙanƙancewa motsi na jini ya kwarara a cikin manyan tasoshin (na huhu jijiya, lakã). Lalle ne shĩ, MRI images ne ba makawa a cikin nazarin cututtukan zuciya, da kuma tsokar zuciya infarction ischemic cututtukan zuciya.

Ta yaya wani MRI na zuciya?

A lokacin hanya, wani haƙuri elektrovolnami ajiye a wani waje Magnetic filin. Irradiated Kwayoyin sha da makamashi daga electromagnetic radiation. Har na sha ake kira rawa, kuma shi ne zai yiwu don auna. Bayan da sakawa a iska mai guba da aka kare, da Kwayoyin aka bai wa samu makamashi, da kuma yana gyarawa da musamman masu auna sigina. Nazarin da Figures koma kuma karbi iko, da kwamfuta shirin halitta images of tsokoki da fallasa su radiation.

Record MRI yi ultrathin yanka a yadudduka. Saboda haka likita, a lõkacin da ya nazarin sakamakon kuma iya ganin wani canji a cikin zurfin cikin zuciya tsoka.

Cardiac MRI ne da za'ayi kamar yadda tare da yin amfani da bambanci jamiái, ko ba tare da, dangane da manufofin da takamaiman hali. Bambanci jamiái suna amfani da su gane asali babi da ya gabata infarction, post-infarction, tsokar ischemia, da kuma kumburi canje-canje.

A mafi yawan lokuta, a bambanci wakili ne gadolinium - shiri gadopentetat dimeglumine (gadopentetate dimeglumine).

MRI sakamakon a cardiology taimaka mana domin sanin dabara na aiki bayan wani ciwon zuciya da high ainihin. By nazarin canje-canje a cikin tsokoki na zuciya, yana yiwuwa a daidai kafa taso saboda gurgunta jini wadata (ischemia) canje-canje a na ramin zuciya bango. Ischemia tsokani mahaukaci rage su. MRI damar zuwa karatu a cikin daki-daki cikin har da wadannan canje-canje da kuma yanke shawara ko jijiyoyin zuciya jijiya kewaye grafting. Idan na tsokar yankuna tara ƙãra yawa na gadolinium, shi ya nuna babu ja necrotic canje-canje a cikin zuciya tsoka. CABG tiyata iya mayar da jini ya kwarara, bypassing da An katange jini ya kwarara yankunan. Amma idan ka saita necrosis, tiyata ba za su ba da ake so sakamakon, samar da wani ba dole ba nauyi a cikin jiki. Duk da haka, a lokacin da babu wani necrosis, CABG ajiye haƙuri ta zuciya. Saboda wannan dalili, cardiac MRI taka muhimmiyar rawa wajen magance cardiac matsaloli.

Lokacin da aka kwatanta da echocardiography ko MRI, positron watsi tomography, yana yiwuwa ya yi magana game gaba da karfi gefen Magnetic rawa Dabarar: jari na gadolinium sa ya yiwu don gane da high daidaituwa ba mai yiwuwa segments kuma mai yiwuwa myocardium located a cikin tsoka nama na zuciya bango.

MRI na zuciya: dauke da fitar da hanyoyin

Da ikon yinsa, daga cikin MRI na'ura na haƙuri ta'allaka m kamar motsi kaskantar image quality. Tsawon lokacin da hanya na iya kai ko ina daga minti 30 zuwa minti 90. Ofishin inda ake gwada, yana da kyau lit da ventilated. A wani binciken da na likita ma'aikatan da ake bukata don tabbatar da wani dadi jihar na haƙuri.

Contraindication zuwa MRI hali za a iya kafa wani pacemaker, karfe implants, da sauran irin wannan abubuwa.

Sauran ba bukatar horo na musamman ga yin cardiac MRI.