Mawallafi: Marcus Baldwin
Ranar Halitta: 16 Yuni 2021
Sabuntawa: 1 Yuli 2024
Anonim
physics: Computed Tomography (CT scan) @General Radiology
Video: physics: Computed Tomography (CT scan) @General Radiology

Kwayar hoto ta zuciya (CT) ta zuciya wata hanya ce ta daukar hoto wacce take amfani da x-haskoki don kirkirar cikakken hoto na zuciya da hanyoyin jini.

  • Ana kiran wannan gwajin a lokacin da aka yi shi don ganin ko kana da tarin alli a cikin jijiyoyin zuciyar ka.
  • An kira shi CT angiography idan anyi shi don duba jijiyoyin da ke kawo jini zuwa zuciyar ku. Wannan gwajin yana kimantawa idan akwai raguwa ko toshewa a cikin waɗannan jijiyoyin.
  • Ana yin gwajin a wasu lokuta a hade tare da sifofin aorta ko jijiyoyin huhu don neman matsaloli tare da waɗancan tsarin.

Za a umarce ku da ku kwanta a kan kunkuntun teburin da ke zamewa zuwa tsakiyar na'urar daukar hotan takardu na CT.

  • Za ku kwanta a bayanku tare da kanku da ƙafafunku waje da na'urar daukar hotan takardu a kowane ƙarshen.
  • Patananan faci, waɗanda ake kira wayoyi ana saka su a kan kirjinka kuma an haɗa su da wata na'ura da ke yin rikodin ayyukan lantarki na zuciyarka. Za'a iya baka magani dan rage bugun zuciyar ka.
  • Da zarar kun kasance cikin na'urar daukar hotan takardu, katakon x-ray na injin yana juya ku.

Kwamfuta na kirkirar hotunan daban na sassan jikin, wanda ake kira yanka.


  • Waɗannan hotunan ana iya adana su, duba su a kan allo, ko kuma a buga su a fim.
  • Ana iya ƙirƙirar samfuran zuciya (na uku-uku) na zuciya.

Dole ne ku kasance har yanzu yayin gwajin, saboda motsi yana haifar da hotuna marasa haske. Ana iya gaya maka ka riƙe numfashinka na ɗan gajeren lokaci.

Duk hoton zai ɗauki minti 10 kawai.

Wasu jarabawa suna buƙatar fenti na musamman, wanda ake kira bambanci, don kawo shi cikin jiki kafin fara gwajin. Bambanci yana taimaka wa wasu yankuna da su nuna mafi kyau a kan x-haskoki.

  • Za a iya bayar da bambance-bambancen ta jijiya (IV) a hannunka ko kuma a gaban goshinka. Idan ana amfani da bambanci, ana iya tambayarka kada ku ci ko sha wani abu na awanni 4 zuwa 6 kafin gwajin.

Kafin karɓar bambanci:

  • Bari mai kula da lafiyarku ya sani idan kun taɓa samun amsa ga bambanci ko kowane magunguna. Kuna iya buƙatar shan magunguna kafin gwajin don karɓar wannan abu lafiya.
  • Faɗa wa mai ba ka magani game da duk magungunanka, saboda ana iya tambayarka ka riƙe wasu, kamar su maganin sukari na metformin (Glucophage), kafin gwajin.
  • Bari mai ba ka damar sani idan kana da matsalar koda. Bambancin abu na iya haifar da aikin koda ya tsananta.

Idan ka auna nauyi sama da fam 300 (kilo 135), gano idan na'urar CT tana da iyakan nauyi. Nauyin nauyi da yawa na iya haifar da lalacewar sassan aikin na'urar daukar hotan takardu.


Za a umarce ku da cire kayan ado da sanya rigar asibiti yayin nazarin.

Wasu mutane na iya samun rashin kwanciyar hankali daga kwance kan tebur mai wahala.

Bambancin da aka bayar ta hanyar IV na iya haifar da:

  • Burningaramin zafi mai ƙonawa
  • Tastearfe ƙarfe a cikin bakin
  • Dumi flushing na jiki

Wadannan abubuwan jin dadi na al'ada ne kuma galibi suna wucewa cikin 'yan sakanni.

CT cikin sauri yana ƙirƙirar cikakkun hotuna na zuciya da jijiyoyinta. Gwajin na iya tantancewa ko ganowa:

  • Ginin rubutun a cikin jijiyoyin jijiyoyin jini don ƙayyade haɗarin ku ga cututtukan zuciya
  • Cutar cututtukan zuciya (matsalolin zuciya waɗanda ke faruwa yayin haihuwa)
  • Matsaloli tare da bawul na zuciya
  • Toshewar jijiyoyin dake bada zuciya
  • Tumurai ko tarin zuciya
  • Yin famfo na zuciya

Sakamako ana daukar su na al'ada idan zuciya da jijiyoyin da ake bincika su na al'ada ne a cikin bayyanar.

"Sakamakon ka na calcium" ya dogara ne akan adadin allin da aka samu a jijiyoyin zuciyar ka.


  • Gwajin na al'ada ne (mara kyau) idan kwayar ku ta calcium ta kasance 0. Wannan yana nufin damar samun ciwon zuciya a cikin shekaru masu zuwa yana da ƙasa ƙwarai.
  • Idan ƙwayar calcium ta ragu sosai, da wuya ka kamu da cututtukan jijiyoyin jini.

Sakamakon sakamako mara kyau na iya zama saboda:

  • Rashin abinci
  • Cutar cututtukan zuciya
  • Ciwon jijiyoyin jini
  • Matsaloli na bugun zuciya
  • Kumburi na sutura a kusa da zuciya (pericarditis)
  • Karkatar da jijiyoyin jini guda ɗaya ko fiye da haka (cututtukan jijiyoyin zuciya)
  • Tumo ko wasu tarin zuciya ko yankuna kewaye

Idan kwayar ku ta calcium tayi yawa:

  • Yana nufin kuna da ƙwayoyin calcium a cikin bangon jijiyoyin jijiyoyin ku. Wannan yawanci alama ce ta atherosclerosis, ko taurarewar jijiyoyi.
  • Matsayi mafi girman maki, mafi tsananin wannan matsalar na iya zama.
  • Yi magana da mai baka game da sauye-sauyen rayuwa da zaka iya yi don rage haɗarin kamuwa da cututtukan zuciya.

Hadarin don binciken CT sun hada da:

  • Kasancewa ga radiation
  • Maganin rashin lafia ga bambancin rini

Binciken CT yana nuna maka zuwa ƙarin jujjuyawar sama da rayukan rana. Samun hotuna masu yawa ko CT scans akan lokaci na iya ƙara haɗarin kamuwa da cutar kansa. Koyaya, haɗarin daga kowane sikan ɗaya karami ne. Ku da mai ba ku sabis ya kamata ku auna wannan haɗarin daga fa'idodi na samun ingantaccen ganewar asali don matsalar likita.

Wasu mutane suna da rashin lafiyan bambanci dye. Bari mai ba da sabis ya san idan kun taɓa samun rashin lafiyan abu don allurar bambanci ta allura.

  • Mafi yawan nau'ikan bambancin da aka bayar a jijiya yana dauke da iodine. Idan aka ba wa mutumin da ke da cutar rashin lafiyar iodine irin wannan bambancin, tashin zuciya ko amai, atishawa, ƙaiƙayi, ko amya na iya faruwa.
  • Idan lallai ne a ba ku irin wannan bambancin, kuna iya buƙatar shan kwayoyi (kamar su prednisone) ko antihistamines (kamar diphenhydramine) kafin gwajin. Hakanan zaka iya buƙatar ɗaukar mai toshewar histamine (kamar ranitidine).
  • Kodan na taimakawa cire iodine daga jiki. Waɗanda ke da cutar koda ko ciwon sukari na iya buƙatar samun ƙarin ruwa bayan gwajin don taimakawa fitar da iodine daga jiki.

Ba da daɗewa ba, fenti zai iya haifar da amsa mai barazanar rai wanda ake kira anafilaxis. Idan kuna fuskantar matsalar numfashi yayin gwajin, yakamata ku sanar da mai aikin sikanin nan da nan. Scanners sun zo tare da intercom da masu magana, don haka afaretan na iya jin ku a kowane lokaci.

CAT scan - zuciya; Utedididdigar ƙirar ƙirar axial - zuciya; Utedididdigar yanayin kyan gani - zuciya; Cin kwalliya; Multi-detector CT scan - zuciya; Electron katako lissafta tomography - zuciya; Agatston ci; Cronary alli scan

  • CT dubawa

Biliyaminu IJ. Gwajin gwaji da hanyoyin a cikin mai haƙuri tare da cututtukan zuciya da jijiyoyin jini. A cikin: Benjamin IJ, Griggs RC, Wing EJ, Fitz JG, eds. Andreoli da Masassaƙan Cecil Mahimman Magunguna. 9th ed. Philadelphia, PA: Elsevier Saunders; 2016: babi na 4.

Doherty JU, Kort S, Mehran R, et al. ACC / AATS / AHA / ASE / ASNC / HRS / SCAI / SCCT / SCMR / STS 2019 ƙa'idodi masu amfani da yawa don ɗaukar hoto da yawa a cikin ƙididdigar tsarin zuciya da aiki a cikin cututtukan zuciya mara ƙima: rahoto na Kwalejin Kwalejin Zuciya ta Amurka Amfani da Ka'idojin Amfani Kungiyar Task Force, Americanungiyar Amurka don Tiyata Tiyata, Heartungiyar Zuciya ta Amurka, Americanungiyar Echocardiography ta Amurka, Americanungiyar Amurka ta Zuciya ta Nukiliya, Rungiyar Zuciya ta Zuciya, forungiyar Kula da Angwayar Zuciya da andaddamarwa, ofungiyar ofwararriyar Twararriyar iowayar Zuciya, Societyungiyar don Magungunan Magungunan Zuciya, da Society of Likitocin Thoracic. J Am Coll Cardiol. 2019; 73 (4): 488-516. PMID: 30630640 www.ncbi.nlm.nih.gov/pubmed/30630640.

Min JK. Cardiac lissafta tomography. A cikin: Zipes DP, Libby P, Bonow RO, Mann DL, Tomaselli GF, Braunwald E, eds. Braunwald na Ciwon Zuciya: Littafin rubutu na Magungunan zuciya da jijiyoyin jini. 11th ed. Philadelphia, PA: Elsevier; 2019: babi na 18.

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