Ngabe imhlophe nemhlophe kusho ukuthi akekho dopler?
Ubuchwepheshe be-Ultrasound buyisisekelo sokuxilongwa kwesimanje sokwelashwa, okunikeza izindlela ezingahlaseli nezisebenzayo zokubona izakhiwo zangaphakathi zomzimba. Phakathi kwezinhlobo ezahlukahlukene ze-ultrasound, emnyama-nomhlophe (noma i-grayscale) i-ultrasound ne-doppler ultrasound yizigaba ezimbili eziyinhloko ezivame ukubangela ukudideka. Umbuzo owodwa ojwayelekile ukuthi ngabe i-ultrasound emnyama nomhlophe isho ukungatholakali kwamakhono we-doppler. Lo mbhalo uhlose ukucacisa le nkinga futhi unikeze ukuqonda okuphelele kobuchwepheshe bobabili, umehluko wabo, kanye nezicelo zabo.
Yini i-ultrasound emnyama nomhlophe?
I-ultrasound emnyama nomhlophe, eyaziwa nangokuthi i-grayscale ultrasound, iyindlela yendabuko esetshenziswa kakhulu futhi esetshenziswa kabanzi ye-ultrasound imagal. Ikhiqiza izithombe ngemithunzi ehlukahlukene empunga, emelela izinqumo ezahlukahlukene zezicubu nezitho.
Isebenza kanjani i-ultrasound emnyama nomhlophe
Le nqubo ifaka i-transducer, ekhipha imvamisa ephezulu yemisindo emzimbeni. Lawa magagasi azwakalayo aphuma ezakhiweni zangaphakathi futhi abuyele ku-transducer njengezinto eziphikisayo. Ama-echoes abese aguqulwa abe yizithombe ezibonakalayo ngumshini we-ultrasound. Imibala ehlukahlukene empunga ezithombeni imele amazinga ahlukene wokuncipha kwezicubu: Izakhiwo eziminyene njengethambo livele limhlophe, kuyilapho izindawo eziminyene ezinjengezindawo ezigcwaliswe ngoketshezi zibonakala zimnyama.
Izicelo ze-ultrasound emnyama nomhlophe
I-Ultrasound emnyama nomhlophe iguquguqukayo futhi isetshenziswa emikhakheni yezempilo eminingi:
Ama-Obstetrics ne-Gynecology: Ukuqapha ukuthuthukiswa kwe-fetus futhi uhlole impilo yesibeletho namaqanda.
I-Cardiology: Ukuhlola ukwakheka kwenhliziyo , kufaka phakathi ama-valves namagumbi ayo.
Ukucabanga kwesisu: Ukubona ngeso lengqondo izitho zomzimba ezinjengesibindi, izinso, amanyikwe, kanye ne-gallbladder.
Ukucabanga kwe-Musculoskeletal: Ukuhlola izicubu, ama-tendon nama-ligaments.
Izinqubo Zokuqondisa: Ukusiza ekubekeni okunembile kwezinaliti ze-biopsies noma imijovo.
Yini i-doppler ultrasound?
I-Doppler Ultrasound iyindlela ekhethekile ye-ultrasound ehlola ukugeleza kwegazi ngemikhumbi nenhliziyo. Isebenzisa umphumela we-doppler, okukala ukuthi kuguqulwe kaningi kumagagasi omsindo njengoba ekhombisa izinto ezishukumisayo, njengamaseli abomvu egazi.
Isebenza kanjani i-ultrasound
Ku-doppler ultrasound, i-transducer ikhipha amaza omsindo ahamba amaseli egazi ashukumisayo. Ukunyakaza kwalawa maseli kubangela ushintsho ekuvaleni kwamagagasi omsindo abonisiwe, atholwa ngumshini we-ultrasound. Lolu shintsho imvamisa lusetshenziselwa ukubala ijubane nokuqondiswa kokugeleza kwegazi, okungakhonjiswa ngokubonakalayo kusetshenziswa umbala noma izindlela zokubuka izidakamizwa.
Izicelo zeDoppler Ultrasound
I-Doppler Ultrasound ibalulekile ekuhlolweni nasekuphethweni kwezimo ezihlobene nokugeleza kwegazi:
I-Cardiology: Ukuhlola ukuhamba kwegazi enhliziyweni kanye nemikhumbi emikhulu, thola ama-valve amaphutha, futhi ukukala okukhiphayo kwenhliziyo.
Ukulingisa kwe-Vascular: Ukuhlola ukugeleza kwegazi emithanjeni nasemithanjeni, bonisa ama-blockages noma ama-cloots, futhi kubhekwe izimo ezinjenge-vein thrombosis (DVT).
Obstetrics: Ukuqapha ukugeleza kwegazi kwintambo ye-umbilical, i-placenta, kanye nezitho ze-fetus.
Ukulingisa esiswini: Ukuhlola ukuhamba kwegazi ezithweni zegazi futhi kuthola ukungahambi kahle okufana nothunga ngokunikezwa kwegazi okungajwayelekile.
Ukucacisa ukudideka: imnyama-nomhlophe vs. dopler ultrasound
Ukudideka okuyisisekelo kulele enkolweni yokuthi i-ultrasound emnyama nomhlophe ayikwazi ukufaka amakhono e-doppler. Lokhu kungumbono ongaqondile. Ngenkathi i-ultrasound yendabuko emnyama kanye nomhlophe igxile ekuboneni ngeso lengqondo i-anatomy yesakhiwo sezicubu nezitho, i-doppler ultrasound ingahlanganiswa ohlelweni olufanayo lwe-ultrasound ukuhlinzeka ngemininingwane eyengeziwe yokusebenza mayelana nokugeleza kwegazi.
Ukuhlanganisa i-ultrasound emnyama nomhlophe ne-doppler
Imishini yesimanje ye-ultrasound ivame ukuvela ngokufana nokucabanga okufana nama-grayscale kanye ne-doppler. Lokhu kusho ukuthi idivaysi eyodwa ingashintsha phakathi kwezindlela ukuhlinzeka ngemininingwane ephelele yokuxilonga:
Imodi ye-GrayScale: Isetshenziselwa ukufana okunemininingwane yesakhiwo.
Imodi ye-Doppler: Isetshenziselwa ukuhlola ukugeleza kwegazi kanye ne-hemodynamics.
Izinhlobo zeDoppler Ultrasound
Kunezinhlobo eziningi ze-doppler ultrasound, ngayinye enikeza izinhlobo ezahlukene zolwazi:
I-Colour DOPPLER: Ingeza umbala esithombeni se-greyscale ukukhombisa ukuqondisa kanye nejubane lokugeleza kwegazi. Ngokuvamile okubomvu kukhombisa ukugeleza kubhekise ku-transducer, kuyilapho okwesibhakabhaka kukhombisa ukuhamba kude.
I-Power DOppler: Inikeza ukutholwa okubucayi okuthe xaxa kokugeleza kwegazi, okuwusizo ekuhlolweni kokugeleza kwama-velocity aphansi emikhunjini emincane.
I-DOPPLL YAMAPHAKATHI
Izinzuzo kanye nemikhawulo
Zombili-futhi ezimhlophe ne-doppler ultrasound zinezinzuzo zazo ezihlukile kanye nemikhawulo, zibenze balungele izinhloso ezihlukile zokuxilonga.
Izinzuzo ze-ultrasound emnyama nomhlophe
Izithombe ezinemininingwane ehlelekile: Inikeza izithombe ezicacile zezitho zangaphakathi nezicubu, ezibalulekile ekuhlolweni kwezinto ezihlukumezanayo.
Okungahlangene: Kuphephile futhi kungenabuhlungu, ngaphandle kokuchayeka emisebeni e-ionizing.
I-Real-Time Imaging: Ivumela ukubona okusheshayo nokuhlolwa kwezinhlaka zangaphakathi.
Ukulinganiselwa kwe-ultrasound emnyama nomhlophe
Ukuntuleka kolwazi olusebenzayo: Ayikwazi ukuhlola ukuhamba kwegazi noma i-hemodynamics.
Ukungeniswa kwezicubu: Ukusebenza okulinganiselwe kwezakhiwo zokucabanga ngemuva kwezikhala ezigcwele amathambo noma ezigcwele umoya.
Izinzuzo zeDoppler Ultrasound
Ukuhlolwa kwegazi kwegazi: Kunikeza imininingwane ebucayi ngokugeleza kwegazi, ukuthola ama-blockages, ama-clots, kanye nokuhlukunyezwa kwemithambo.
Ukuhlaziywa okusebenzayo: Kuhlanganisa ukucabanga okuhlelekile nokusebenza kokuhlola okuphelele.
Isiqondiso Sokungenelela: Kubalulekile izinqubo ezibandakanya imithambo yegazi, ukuqinisekisa ukubekwa kwamathuluzi anembile naphephile.
Ukulinganiselwa kweDoppler Ultrasound
Inkimbinkimbi: Dinga ubuchwepheshe obuthuthukisiwe kanye nokuqeqeshwa kwe-opharetha.
Izindleko: Ngokuvamile kuyabiza kakhulu kune-ultrasound ejwayelekile emnyama nomhlophe.
Ukulinganiselwa Kwezobuchwepheshe: Ukuthinteka kubuciko futhi kudinga ukubambisana kweziguli ukuze uhlale usekhona.
Ukuthuthuka Kwezobuchwepheshe
Ukuhlanganiswa kobuchwepheshe obumnyama nabamhlophe nabamhlophe ne-doppler ultrasound kuthuthuke kakhulu, ukuthuthukisa amandla okuxilonga nokwandisa izinhlelo zokusebenza zemitholampilo.
Amadivayisi aphathekayo we-ultrasound
Imishini ephathekayo ye-ultrasound manje ivame ukufaka zombili izindlela ze-grayscale ne-doppler, ivumela ukuxilongwa kwe-point-of-caitos ezimweni eziphuthumayo, ukuhlolwa kombhede, nezindawo ezikude.
Ukulungiswa okuphezulu kanye nokufanekisa kwe-3D
Intuthuko ekucabangeni okuphezulu kokucabanga kanye nokuthuthukiswa kwe-3D ne-4D Technologies Nikeza ubuchwepheshe obuningi obunemininingwane futhi enamandla yezakhiwo zangaphakathi nokugeleza kwegazi, ukwenza ngcono ukunemba kwegazi.
I-ultrasound ethuthukisiwe
Ukusetshenziswa kwama-ejenti okuhlukana ku-ultrasound kuthuthukisa ukubona lokho kwegazi kwegazi, ikakhulukazi ezakhiweni zemvelo eziyinkimbinkimbi, okwenza kube lula ukuthola ukungahambi kahle kanye nokwelashwa kohlelo.
Izicelo ezisebenzayo kuzilungiselelo zomtholampilo
Ukuqonda lapho usebenzisa i-Ultrasound emnyama nomhlophe kubalulekile ukunakekelwa kweziguli ezisebenzayo. Nazi ezinye izinhlelo zokusebenza ezingokoqobo nezimo:
Ama-Obstetrics ne-Gynecology
Ukuhlolwa okuzenzakalelayo okujwayelekile
Ukukhulelwa kobungozi obukhulu: I-Doppler Ultrasound ibalulekile ekuqapheleni inhlala-kahle ye-fetus kanye nokuthola izimo ezinjenge-preclampsia, lapho ukugeleza kwegazi kungahlekaliswa khona.
I-cardiology
Ama-EchoCARIOGRAMS: Ukuhlanganisa i-GrayScale ne-Doppler Ultrasound kuhlinzeka ngokuhlola okuningiliziwe kwesakhiwo senhliziyo kanye nokusebenza, ukuthola izinkinga zenhliziyo zokuzalwa, ukuphazamiseka kwe-valve, nokuhluleka kwenhliziyo.
Ukuhlolwa kwengcindezi: I-Doppler Ultrasound ingasetjenziswa ngesikhathi sokuhlolwa kwengcindezelo ukuhlola ukuthi inhliziyo ipompa kahle kanjani amandla ngaphansi kokuzivocavoca ngokomzimba.
Umuthi we-Vascular
Isifo se-artery se-carotid
Isifo se-artery ePeripheral: Ukuhlola ukugeleza kwegazi emilenzeni ukuthola ama-blockages kanye nokuhlela ukwelashwa okufana nokuhlinzwa kwe-angioplasty noma kwedlula.
Ngamafuphi, i-ultrasound emnyama kanye ne-doppler i-ultrasound ne-doppler i-technologies ehambisanayo enikezela ngemininingwane ebalulekile yokuthola nokuphatha uhla lwezokwelapha oluhlukahlukene. Ngenkathi i-ultrasound emnyama nomhlophe igxile ekuboniseni ukwakheka, i-doppler ultrasound ingeza ubukhulu bokuhlola ukugeleza kwegazi. Imishini yesimanje ye-ultrasound ivame ukuhlanganisa amakhono womabili, okuvumela ukuhlolwa okuphelele kwezimo ezahlukahlukene zemitholampilo. Ukuqonda umehluko kanye nokusetshenziswa kwalezi zingcweti kubalulekile kubahlinzeki bezokunakekelwa kwempilo kanye neziguli ngokufanayo, kuqinisekisa ukunakekelwa okungcono kakhulu nemiphumela.
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