ImpiloImithi

Bifurcation - kuyinto ... lo bifurcation yomthambo i-aorta

Igama elithi "bifurcation" isetshenziswa izincwadi zezokwelapha ezisekelwe ekwazisweni isikhathi eside. Namuhla siyazi imiqondo athile afaka ngezithako zawo izwi.

On the lisho ukuthini igama elithi

Bifurcation - yiliphi okuhlukene. Ngaphezu kwalokho, ngokuvamile lo mqondo ibonisa ukuthi division kwenzeka ezindaweni 2 cishe ubukhulu efanayo. Kubalulekile ukuthi amagatsha amabili diverging ngaphansi engeli wafana. izibonelo ezinhle bangase bakhonze njengamaphayona bifurcation we carotid Umthambo, aorta noma kuqhoqhoqho.

Naphezu kweqiniso lokuthi leli gama is best "babanjwa" kuba imithi, kungenzeka ukuyisebenzisa kwezinye izindawo. Ngokwesibonelo, e-geography ngezinye izikhathi kukhona into okuthiwa bifurcation emfuleni.

Inani bifurcation kwezokwelapha

Ukwahlukana ezitsheni legatsha cishe alinganayo amabili noma kuqhoqhoqho inenani elikhulu. Ngokwesibonelo, bifurcation le-aorta ivumela ngokuvamile ukuphakela igazi kokubili emikhawulweni aphansi. Ungixoxela isitsha elikhulu umzimba womuntu kwesokunene nezinhlanu kwesobunxele imithambo femoral. Ngesikhathi esifanayo ke ivumela tracheal bifurcation umoya-mpilo umncane ezimbili ukukhanya ngokulinganayo. Ngakho ukuthi bifurcation - buyinto ebaluleke kwezokwelapha.

ku le-aorta

Bifurcation - iyona division zibe izingxenye ezimbili zilingana. Endabeni le-aorta, leli gama liye lasetshenziswa ukuze isikhathi eside, kodwa eqinisweni akuyona ngempela kuyiqiniso. Iqiniso lokuthi imithambo ezivamile iliac kungukuthi zilingane izandiso le-aorta amagatsha awo kuphela. Yena luqobo liyashona ngisho aphansi ngesimo esibuthakathaka encane mncane.

bifurcation yomthambo i-aorta kwenzeka ezingeni we IV lumbar vertebra. Isayithi ingenye ezibucayi kakhulu ngokuya ukuzinza umkhumbi njalo blood pressure. Iqiniso lokuthi lapha kaningi lo asike izidumbu zabantu yomthambo i-aorta. Ngenxa isimo esinjalo ukuthi bifurcation - iyindawo ukuthi Njalo sibhekana ithonya kukhuphuke kusukela egazini. Kulapha-ke kufanele basakaza imithambo emibili ezivamile iliac. Umphumela uwuhlobo oluhlukile wegazi omawala futhi imiphumela elimazayo yalezi notshwala ebodeni umkhumbi isayithi ye bifurcation.

Ngaphezu useshonile kungenzeka le-aorta ku ukwabelana kukhona preconditions kakhulu ukuze kwakhiwe zingcwecwe atherosclerotic. Lokhu kungenxa yokuthi uhlukunyezwe isitsha lapho kukhona bifurcation Umthambo ibe izingxenye 2, kwenzeka kaningi kunanoma iyiphi enye izindawo. Kancane kancane ngosayizi, lokhu i-plaque kungaba kakhulu ukunciphisa igazi ligeleze ezithweni kwezitho zangasese kanye emikhawulweni aphansi.

yomthambo i-aorta bifurcation izilonda syndrome

Lesi sifo kuyingozi kakhulu. Iletha eziningi ukungakhululeki isiguli futhi kungaba sina ukulimaza impilo yakhe. Ngokuvamile lesi sifo kuhambisana ukuhlulwa akukhona kuphela endaweni bifurcation yomthambo i-aorta ngokwayo, kodwa nakwezinye izindawo. Sikhuluma mayelana kwezinso futhi ezivamile iliac imithambo. Ngaphezu kwalokho inqubo sokugembula ubabonisa engxenyeni yesine iziguli.

Izici eziyinhloko the bifurcation syndrome yomthambo i-aorta lezi zinkinga kwegazi izitsha wemikhawulo aphansi kanye ukhalo. Ngakho, izenzo ezinkulu zokwelapha lezi futhi ezihlobene izizinda. Uma sikhuluma wemikhawulo aphansi, iziguli zizizwe sebuhlungwini obunzima ngokwanele. Banezinhliziyo okuthiwa claudication ngakanye.

Lezi kubonakaliswa emitholampilo eshiwo njengoba, ngenxa yokuthi kuba ischemic (yokuntuleka liningi igazi ngesikhathi) ubuhlungu khulu. Isici ehlukile ye claudication ngakanye ungaphakathi sifo ka bifurcation yomthambo i-aorta Kuyaphawuleka ukuthi buhlungu zendawo tibia, futhi ikakhulukazi okhalweni ngisho imisipha gluteal.

Ekhuluma ngokunye ukubonakaliswa phezu ingxenye izitho okhalo, kubalulekile ukuphawula ukuthi bahlukile kubantu. Basuke ukuzwakala ukwehla libido futhi ebuthaka ukwakhiwa kuze kube nokuvusa induku. Sifo syndrome bifurcation yomthambo i-aorta lesion esekelwe ukwehla nokugeleza kwegazi izitsha wemikhawulo aphansi, okuyinto kunqunywa yokulinganisa BP ubuciko amandla wave ishayela. Ukuze uqinisekise uphethwe eyenziwa sfigmo- noma rheovasography. Ngaphandle ukwelashwa okukhethekile kobukhulu sifo sahlanganisa ukugeleza.

Ukuhlukaniswa Umthambo carotid

Bifurcation - into isici hhayi kuphela le-aorta, kodwa futhi ukuze umfula carotid. division kwalo kwenzeka ezingeni onqenqemeni engezansi uqwanga yegilo. Kulokhu, lo sokunene nesobunxele carotid imithambo, naphezu kokungafani okukhulu e Ubude kanjani isayithi, ihlukaniswe yaba amagatsha zangaphakathi nezangaphandle lapha.

Njengoba kunjalo nge-aorta, a bifurcation ezinjalo - indawo ingozi lenyuka. Kungase futhi ukuthuthukisa aneurysms nezinye izinqubo sokugembula ngenxa ukuchayeka anda ukuze igazi ligeleze kusayithi bomkhumbi. Umthambo flue lincane ububanzi bayo cishe izikhathi ezingu-2 uqhathaniswa 'ngukhokho "yakhe. Ngenxa yalokho, kuba endaweni bifurcations ninokugcotshwa anda ingozi trombotizatsii futhi embolization. Ngenxa yalesi sizathu, endabeni indawo okuvela kuyo amazwi elihambisana odokotela emitholampilo ngokuyinhloko wahlola imithambo division isikhala, bese izingxenye ezisele yalo.

Bifurcation eyinhloko endleleni womoya

Uqhoqhoqho umzimba eziyize okuyinto obhekene izifundo emoyeni kuze bronchi, bese kuba emaphashini. Ngo oyiyo has inqwaba (kufika ku 26) izindandatho cartilaginous esikuvimbela kuqhoqhoqho luyaphela.

tracheal bifurcation kwenzeka emaphethelweni engenhla V vertebra thoracic. Ezinganeni, kuba ethe xaxa. Ngaphezu kwalokho inspiratory bifurcation ezingeni sigudluke ngo-2-3 cm phansi. Lapha ipheshana ezinkulu aeriferous sehlukaniswe sokunene nesobunxele bronchi main. Esikhathini esizayo, bona abaphukile ngokuphindaphindiwe. I nencazelo eyisisekelo yegama bifurcation tracheal is yehlukanise enye indlela enkulu womoya ku 2 ezincane. Kuyadingeka ukuthatha isitokwe umoya-mpilo ngqo kokubili emaphashini. I bifurcation we kuqhoqhoqho wenziwa engela cishe 70 o. Inhalation ingxenye esebenzayo kungase kwandise kancane.

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