Isithwebuli se-CT (i-Complen tomography Scanner) iyithuluzi elinemininingwane yezokwelapha ehlanganisa ubuchwepheshe be-X-ray ngokucubungula amakhompyutha ukudala izithombe zomzimba ezinemininingwane enemininingwane yomzimba. Lapho iziguli zibhekene nenqubo ye-CT scanner, zivame ukufundiswa ukuba zibambe umoya ngezikhathi ezithile. Le mfuneko ingahle ibonakale ilula, kepha idlala indima ebalulekile ekuqinisekiseni isithwebuli se-CT ikhiqiza izithombe eziphezulu zokuxilonga. Kulesi siqondisi esiphelele, sizohlola ukuthi kungani ukuthwala umoya kubalulekile ngesikhathi sokuhlolwa kwe-CT Scanner nokuthi kuthinta kanjani inqubo yokuxilonga.
Ungasilungiselela kanjani ukuskena kwe-CT
Ukulungiselela a Ukuhlolwa kwesithwebuli se-CT kufaka izinyathelo ezimbalwa ezibalulekile ezithonya ngokuqondile ikhwalithi yezithombe eziphumela. Ubuchwepheshe be-CT Scanner banamuhla buthuthuke kakhulu, ukubambisana kweziguli kuhlale kuyinto ebucayi ekutholeni imiphumela efanele.
Lapho kuhlelelwe inqubo ye-CT Scanner, iziguli ngokuvamile zithola imiyalo ethile ngokususelwa kuhlobo lokuhlolwa. Okokuskena kwesisu noma esifubeni se-CT Scanner silingiso, ukuzila ukudla amahora amaningi kusengaphambili kungadingeka. Lokhu kulungiselela kusiza i-CT Scanner ukuthi ithathe izithombe ezicacile zezitho zangaphakathi ngaphandle kokuphazamiseka kusuka ezinqubweni zokugaya.
I-CT Scanner Technologist izochaza inqubo ngokuningiliziwe ngaphambi kokuqala. Bazogcizelela ukubaluleka kokuhlala namanje futhi kulandela imiyalo yokuphefumula ngokunembile. Umshini we-CT Scanner uqobo uyithuluzi elikhulu, elibunjwe yi-donut ngethebula elishukumisekayo elingena phakathi nendawo. Njengoba i-CT Scanner ijikeleza emzimbeni, ithumba ama-Photo angu-Counds ahlanganisa ukuze adale ukubukwa okuningiliziwe kwesigaba.
Ukuma okufanele kubalulekile ekuhlolweni kwe-CT Scanner esebenzayo. Isazi sezobuchwepheshe sizokusiza uqambe amanga endaweni efanele, imvamisa usebenzisa imicamelo noma imichilo ukuze ulondoloze ukuqina. Lokhu kubeka kuqinisekisa isithwebuli se-CT kungabamba izakhiwo ezidingekayo ze-anatomical nge-artifact encane yokunyakaza.
Nalu uhlu olujwayelekile lokuhlola inqubo ye-CT Scanner:
Landela yonke imiyalo yokuzila enikezwe ngumhlinzeki wakho wezempilo
Gqoka izingubo ezikhululekile, ezifanelekile ngaphandle kwama-zippers wensimbi noma izinkinobho
Susa ubucwebe, izibuko zamehlo, nanoma yiziphi izinto zensimbi ezingaphazamisa isithwebuli se-CT
Yazisa ubuchwepheshe mayelana nanoma yimiphi imithi oyithathayo
Xoxa noma yikuphi amathuba okukhulelwa nomhlinzeki wakho wezempilo ngaphambi kokuhlolwa kwe-CT Scanner
Fika kusenesikhathi ukuqedela amaphepha futhi ubhekane nanoma yikuphi ukukhathazeka
Inqubo ye-CT Scanner ngokwayo ayinabuhlungu, yize ezinye iziguli zingathola ukungaphatheki kahle okulele ezikhathini ezengeziwe. Umshini we-CT Scanner wenza ama-whingring futhi uchofoze imisindo ngesikhathi sokusebenza, okujwayelekile ngokuphelele.
Ukuqonda inqubo ye-CT Scanner kungasiza ukudambisa ukukhathazeka. Isazi se-CT Scanner Technologist sisebenza ngomshini egumbini eliseduze kodwa sibona, sizwe, futhi sikhulume nawe kulo lonke uhlolo. Lolu hlelo lokuxhumana luvumela ubuchwepheshe ukuthi banikeze imiyalo ephefumulayo ngesikhathi esifanele izikhathi ezifanele ngesikhathi senqubo ye-CT Scanner.
Lapho usebenzisa ama-ejenti ahlukile
Izivivinyo eziningi ze-CT Scanner zisebenzisa ama-adrents ajenti ukuthuthukisa ikhwalithi yesithombe futhi anikeze imininingwane eminingi yokuxilonga. Lezi zinto ezihlukile, zivame ukusekelwa yi-iodine, zisiza ukugqamisa izicubu ezithile, imithambo yegazi, noma izitho ezithombeni ze-CT Scanner.
Lapho inqubo ye-CT scanner idinga ukuphathwa kokungafani, iziguli zingathola i-ejenti ngomugqa we-intravenous, ngomlomo, noma ngokulandelana, ngokuya ngendawo ehloliwe. I-ejenti ehlukile ijikeleza ngomzimba futhi iguqule okwesikhashana ukuthi izicubu ezithile zivela kanjani ezithombeni zesithwebuli se-CT.
Isikhathi sokubamba umoya sibaluleke kakhulu lapho kusetshenziswa ama-ejenti ahlukile ngesithwebuli se-CT. Njengoba impahla yokwehluka igeleza egazini, isithwebuli se-CT kufanele sithwebule izithombe ngezikhathi ezithile ukuze zibone ngeso lengqondo uhlelo lwe-vascular kahle. Ukubamba ukuphefumula kwakho ngalezi zigaba ezibalulekile kuvimbela ubuciko bokunyakaza obungazifihla izakhiwo ezithuthukisiwe.
Ithebula elingezansi libonisa ukuthi isikhathi esihlukile sithinta kanjani izinhlobo ezahlukene zokuhlolwa kwe-CT Scanner:
| I-CT Scanner Team |
Surday Administration Administration Administration Administration |
Ukuphatha |
Ukuphefumula Kokuphefumula Kokuphefumula |
| I-pulmonary angiography |
-Phakathi komthambo |
15-25 imizuzwana ngemuva kokujova |
Imizuzwana eyi-10-15 |
| Ukucabanga kwesisu |
Intravenous / Oral |
60-80 imijondolo ngemuva komjovo |
15-20 imizuzwana |
| Ukucabanga kwesibindi |
-Phakathi komthambo |
I-Arterial (25-35S) ne-Portal (60-80s) Izigaba |
10-15 imizuzwana ngayinye |
| I-Cardiac CT |
-Phakathi komthambo |
Ethize ukushaya kwenhliziyo |
Imizuzwana engu-5-10 |
I-Modern CT Scanner Technolog ifaka isoftware ye-BOLUS yokulandela umkhondo obheka ukufika kokuhluka ngesikhathi sangempela. Lesi sithombe esisezingeni eliphakeme se-CT Scanner sivumela ama-technologists ukuthi aqale ukuskena ngokunembile lapho umehluko ufinyelela endaweni eqondiwe, ukukhulisa isivuno sokuxilonga ngenkathi unciphisa ukuvezwa kwemisebe.
Iziguli zibhekene nezinqubo ze-CT Scanner ezithuthukisiwe kufanele zikwazi imiphumela emibi, ezivame ukumnene futhi zesikhashana. Lokhu kungafaka:
Umuzwa ofudumele oshisayo
Ukunambitheka kwensimbi emlonyeni
Isicanucanu esifushane
Ukulunywa noma ama-hive (akuvamile)
Isazi se-CT Scanner Technologist sizokuqapha eduze nangemva kokulawulwa kokungafani. Uma uhlangabezana nanoma yiziphi izimpawu ezingajwayelekile ngesikhathi senqubo ye-CT scanner, kufanele wazise ngokushesha ubuchwepheshe.
Ukuhlolwa okuthile kwe-CT Scanner, ikakhulukazi labo abahlola isifuba noma isisu esiphezulu, i-ejenti ehlukile ingadala umuzwa wesikhashana wokuphefumula. Lokhu kuzwa kwenza ukulandela imiyalo ebambe umoya okubucayi kakhulu, njengoba noma yikuphi ukunyakaza ngalesi sigaba kungahlehlisa ikhwalithi yesithombe se-CT Scanner.
Izinzuzo zokulandela imiyalo ebambe umoya
Ukunamathela emiyalweni yokubamba umoya ngesikhathi se Ukuhlolwa kwesithwebuli kwe-CT kunikeza izinzuzo eziningi ezithinta ngokunemba ngokunemba nokunakekelwa kweziguli. Ukuqonda lezi zinzuzo kungasiza iziguli zikwazise ukubaluleka kwalokhu kufundiswa okulula nokho okubucayi.
Ithuba eliyinhloko lokubamba umoya ofanele ngesikhathi senqubo ye-CT Scanner ukuqedwa kobuciko bokunyakaza. Lapho isiguli siphefumula ngesikhathi sokutholwa kwesithombe, izithombe eziholela kwi-CT Scanner zingakhombisa ukufiphala noma ukucasuka okungacaka imininingwane ebalulekile ye-anatomical noma ngisho ne-mumic pathology. Lezi zinto zobuciko zingaholela ku:
Imiphumela ye-CT ye-CT COSCRENCE ETHOLAKALAYO edinga ukuphinda imaze
Ukuhlolwa okwengeziwe okungadingekile
I-misdiagnosis engaba khona
Ukwanda kokuvezwa kwemisebe kusuka ekuphindaphindweni kwe-CT Scanner Exanners
Izithombe ze-CT Scanner ephezulu zinika amandla ama-radiologists ukuthola ukungahambi kahle okuncane futhi athole ukuxilongwa okunembe ngokwengeziwe. Lapho iziguli zilandela imiyalo ebambe ukuphefumula, isithwebuli se-CT singafinyelela ukulungiswa kwayo okuphezulu kwendawo, okuveziwe kwezilonda ezincane njengemilitha eyi-1-2.
Enye inzuzo ebalulekile yokubamba umoya ofanele ngesikhathi sezinqubo zesithwebuli se-CT ukuncishiswa komthamo we-radiation. Ubuchwepheshe be-CT Scanner banamuhla buhlanganisa nezinhlelo zokulawula okuvezwa okuzenzakalelayo ezilungisa imisebe esekelwe kwizidingo zekhwalithi yesithombe. Lapho izithombe ezinyakazayo zitholakala ngokubamba ngokuphefumula okulungile, isithwebuli se-CT sivame ukusebenzisa imithamo yemisebe ephansi ngenkathi sigcina ikhwalithi yokuxilonga.
Ithebula elingezansi libonisa ukuthi ukubambelela kanjani kuthinta kanjani izici zokuphefumula ze-CT scanner imaging:
| Ipharamitha ye-CT scanner |
ngokubamba okulungile ngokuphefumula |
ngokuphefumula okunganele |
| Ikhwalithi yendatshana |
-Hle kakhulu |
Sunoptimal nge-artifacts |
| Ukuzithemba Ukuqiniseka |
-Phezulu |
-Ncishisiwe |
| Umthamo wemisebe |
-Ncinyane |
Okungaba khona ukukhuphuka (uma ukuphindaphinda okudingekayo) |
| Ukutholwa kwesilonda esincane |
-Hle kakhulu |
Ehlehlisiwe |
| Isikhathi Sokuhlolwa |
-Vamile |
Okungaba yilapho kunwetshiwe |
Ukuze uthole izivivinyo ezithile ze-CT Scanner, ezinjengalezo zokuhlola amaqhubu ezinhlamvu noma izilonda zesibindi, ukubamba umoya kubucayi ngokuphelele. Lezi zifundo zivame ukudinga ukuqhathanisa ne-CT scanner scanner eskena ukuhlola izinguquko ngokuhamba kwesikhathi. Amasu wokubamba wokuphefumula okungaguquki aqinisekisa ukuthi ukuhlolwa kokulandela kwe-CT Scanner kungaqhathaniswa ngokunembile nezifundo eziyisisekelo.
Izitayela zakamuva kubuchwepheshe be-CT Scanner zigcizelela ukuncishiswa kwedosi ngenkathi kugcinwa ikhwalithi yesithombe. Ama-CT CT Scanner Systems manje afaka ama-algorithms akwakheka kabusha kanye nobuhlakani bokufakelwa ukuthuthukisa izithombe ezitholwe ngemithamo yemisebe ephansi. Kodwa-ke, lobu buchwepheshe be-CT Scanner obusezingeni eliphakeme busancike ekubambisaneni ngesiguli ukuze kufinyelelwe imiphumela efanele.
Enye inzuzo yokulandela imiyalo ebambe ukuphefumula ukuncishiswa okungenzeka kube yinto yokuncipha kumthamo we-ejenti ohlukile ngezifundo ezithuthukisiwe ze-CT Scanner. Lapho izithombe zikhululekile ezindabeni zokuhamba, izazi ze-radiologists zingahumusha ngokuzethemba ngezifundo ezinomthamo ophansi ophansi, ukunciphisa ubungozi bemiphumela emibi ehlobene nokwehluka.
Ukugcina
Umyalo wokubamba ukuphefumula ngesikhathi sokuhlolwa kwesithwebuli se-CT kungahle ubonakale mncane, kepha udlala indima eyisisekelo ekuqinisekiseni ukucabanga okuphezulu kwekhwalithi ephezulu. Kuyo yonke le ndatshana, sihlolile ukuthi amasu wokuphefumula afanele akhulisa kahle ikhwalithi ye-CT Scanner Image, anciphise isidingo sezivivinyo eziphindaphindwayo, futhi ekugcineni afake isandla ekuhlolweni okunembile ngokwengeziwe.
