Ngaba ugqirha wakho wakha wakuyalela i-CT scan? Mhlawumbi bakucebise olu vavanyo ukuze bafumane ingxaki emzimbeni wakho, bacebe kwangaphambili utyando, okanye babone ukuba unyango luyasebenza na. Kodwa igama elithi "CT scan" lingenza abanye abantu babe nexhala kuba lisebenzisa imitha. Ngoko ke usenokuba ukhe wazibuza ukuba le mitha ingabangela umhlaza na. Namhlanje, masithethe ngayo ngendlela elula eya kususa naluphi na uloyiko okanye amathandabuzo onokuba nawo.
Kwenzeka ntoni ngokwenene ngexesha le-CT scan?
Ngamafutshane, i-CT scan luvavanyo olukhethekileyo lwe-X-ray olunokuthatha imifanekiso ecacileyo neneenkcukacha ze-3D yezinto ezingaphakathi emzimbeni wethu, ezinje ngezitho zomzimba, amathambo, kunye nemithambo yegazi. Oku kusebenzisa uhlobo lwemitha ebizwa ngokuba yi-X-rays. Kwisayensi yezonyango, oku kubizwa ngokuba yi-ionizing radiation. Oku kuthetha ukuba le mitha inamandla okonakalisa iimolekyuli ze-DNA ezigcina ulwazi lwemfuza ngaphakathi kweeseli zomzimba wethu. Xa i-DNA yonakele, iiseli ziqala ukwahlukana ngendlela engaqhelekanga kwaye, ekuhambeni kwexesha, kukho ithuba elincinci kakhulu lokuba ziya kuba ziiseli zomhlaza.
Ngoku mhlawumbi ucinga, "Owu, ngoko ke oku kuyingozi, akunjalo?" Ungakhathazeki. Makhe sijonge ubungakanani bale nto.
Sifumana imisebe emininzi evela kwi-CT scan kunaleyo ifumaneka kwi-X-ray eqhelekileyo okanye kwi-mammogram yomhlaza webele. Umzekelo, ubungakanani bemitha ekhutshwa kwi-CT scan yesifuba esinye bunokulingana nobungakanani bemitha yesifuba eqhelekileyo eyi-100 nangaphezulu. Nangona oko kunokuvakala ngathi kuninzi, ubungakanani bemitha efunyanwa yimizimba yethu buncinci kakhulu.
Into ebalulekileyo kukuba sonke sichatshazelwa yimitha yendalo kubomi bethu bemihla ngemihla. Kukho izinto zemitha yendalo emhlabeni, ematyeni, nasemoyeni osingqongileyo. Iyunithi yokulinganisa le mitha ibizwa ngokuba yi-millisievert `(mSv)`. Ngokomyinge, umntu uchatshazelwa yimitha eyi-3 mSv ngonyaka evela kwindalo esingqongileyo kuphela.
Ngoku, jonga ukuba ufumana malini kwi-CT scan.
- Ngokuxhomekeke kwinxalenye yomzimba eskeniweyo kunye nedosi yemitha enikwayo, iskeni enye ye-CT inokukhupha phakathi kwe -1 mSv kunye ne-10 mSv .
- I-CT scan yesifuba esincinci inika ubuncinci be-1.5 mSv.
- I-CT scan yesifuba eqhelekileyo inokukhupha malunga ne-8 mSv.
Oko kuthetha ukuba ubungakanani bemitha oyifumana kwi-CT scan enye bunokulingana nobungakanani bemitha esiyifumanayo ngokwemvelo kwiminyaka embalwa. Okukhona une-CT scans eninzi, kokukhona uchaphazeleka yimitha eninzi. Nangona kunjalo, ukuba ugqirha wakho uthi uyayidinga, ungoyiki ukwenza uvavanyo ngenxa yale ngozi.
Ngoko ke yintoni ithuba lokwenyani lokufumana umhlaza?
Kulungile, ngoku masingene ngqo kwingongoma. Lithini ithuba lokufumana umhlaza kwi-X-rays kwi-CT scan? Enyanisweni, umngcipheko uphantsi kakhulu .
Izifundo zifumanise ukuba ithuba lokufumana umhlaza onobungozi kwi-CT scan lincinci kakhulu ngo-2000 .
Le ngozi ayifani kuye wonke umntu. Ixhomekeke kwizinto ezininzi:
- Ubudala: Ngenxa yokuba imizimba yabantwana abancinci isakhula, iiseli zabo zahlukana ngokukhawuleza kunabantu abadala. Oku kubenza babe buthathaka kancinci kwimitha. Abantwana nabo banamathuba amaninzi okuba nomhlaza kwixesha elizayo.
- Isini: Abafazi basengozini enkulu kancinci kunamadoda.
- Inxalenye yomzimba eskeniwayo: Amanye amalungu omzimba aziva ngcono kwimitha yelanga kunezinye. Ngokukodwa, iiseli ezisesifubeni, emiphungeni, kwi-thyroid gland, nakwithambo lomongo ziyahlukana ngokukhawuleza, nto leyo eyenza zibe buthathaka ngakumbi kunezitho ezineeseli ezahlulahlula kancinci, ezifana nobuchopho.
Kodwa khumbula, ugqirha wakho uza kucebisa ukuba kwenziwe i-CT scan kuphela emva kokuba efumanise ukuba iingenelo zovavanyo zingaphezulu komngcipheko omncinci . Ukuba ukuxilongwa ngokuchanekileyo kunokusindisa ubomi, kufanelekile ukuthatha lo mngcipheko mncinci.
Izinto onokuzenza ukuze uzikhusele kule ngozi
Oku akuthethi ukuba ufanele uyeke ukufumana ii-CT scans. Nangona kunjalo, kububulumko ukuqinisekisa ukuba uludinga ngokwenene uvavanyo ngalunye. Ngaphambi kokuba wenze naluphi na uvavanyo lokufota, buza ugqirha wakho le mibuzo.
| Umbuzo omele uwubuze | Kutheni oku kubalulekile? |
|---|---|
| Kutheni ndifuna olu scan? | Ukuqonda imfuneko yovavanyo. |
| Oku kuza kuyichaphazela njani unyango lwam? | Ukuze ufunde indlela unyango oluchongwa ngayo ngokusekelwe kwiziphumo zovavanyo. |
| Zithini iingozi zoku? | Thetha ngokukhululekileyo nogqirha uze woyise uloyiko lwakho. |
| Ngaba oku akunakufunyanwa ngolunye uvavanyo olungasebenzisi imitha, njenge-MRI okanye i-ultrasound? | Ukufumanisa ukuba kukho iindlela onokukhetha kuzo. Ayizizo zonke izifo ezinokufunyaniswa ngovavanyo ngalunye, kodwa kulungile ukwazi. |
| Ndingazikhusela njani ezinye iindawo zomzimba wam ngexesha leskeni? | Qaphela amanyathelo okhuseleko. |
Ezinye izinto onokuzenza
- Cela idosi ephantsi: Ugqirha wakho uya kusoloko ezama ukusebenzisa idosi ephantsi kakhulu yemitha ngexesha lovavanyo, ingakumbi ukuba une-scan ezininzi.
- Buza nge-apron ye-lead: Buza ingcali ukuba ingazigubungela na iindawo zomzimba wakho ongafuniyo ukuziskena nge-apron ye-lead. Oku kuya kuyithintela i-X-reyi engeyomfuneko ukuba ingafiki kwezo ndawo.
- Gcina irekhodi yovavanyo lwakho: Gcina irekhodi yazo zonke ii-CT scans kunye nezinye iimvavanyo ze-X-ray ozenzileyo. Oku kuya kukunika umbono wokuba ingakanani imitha oye wadibana nayo. Kunokukunceda uphephe ukuphinda uvavanyo osele ulwenzile.
Nazi ezinye izinto ekufuneka uziqaphele:
- Uhlobo lweskeni olwenziweyo
- Umhla woviwo
- Idosi yemitha efunyenweyo (ukuba kunokwenzeka, iya kukhankanywa kwingxelo)
- Igama lesibhedlele okanye iziko elenze uvavanyo
Ukuba usenamathandabuzo okanye uxhalabile ngale nto, akukho nto imbi ngokufuna ingcebiso komnye ugqirha (uluvo lwesibini) . Omnye ugqirha unokukwazi ukucebisa olunye uhlobo lovavanyo.
Umyalezo Wokuya Ekhaya
- I-CT scan luvavanyo lwezonyango olubaluleke kakhulu noluluncedo ekuxilongeni izifo.
- Umngcipheko wokuba nomhlaza ngenxa yemitha yelanga mncinane kakhulu. Iingenelo zovavanyo zihlala zingaphezulu kakhulu kolu mngcipheko mncinci.
- Thetha ngokukhululekileyo nogqirha wakho malunga noloyiko lwakho kunye nezinto ezikuxhalabisayo. Buza ukuba kutheni uvavanyo luyimfuneko kwaye ingaba kukho ezinye iindlela onokukhetha kuzo.
- Soloko ucela idosi yemitha ephantsi kangangoko kwaye ukhusele amalungu omzimba angafunekiyo.
- Ukugcina irekhodi yazo zonke iimvavanyo ze-radiological ozenzileyo kunokukunceda uphephe ukuphinda uvavanyo olungeyomfuneko.
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