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Video: Muaj pes tsawg cov hlab ntsha ua rau lub paj hlwb?
![Video: Muaj pes tsawg cov hlab ntsha ua rau lub paj hlwb? Video: Muaj pes tsawg cov hlab ntsha ua rau lub paj hlwb?](https://i.ytimg.com/vi/dQoUkurokk0/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Muaj ob khub cov hlab ntsha uas yog lub luag haujlwm rau cov ntshav muab rau lub hlwb ; lub vertebral cov hlab ntsha , thiab sab hauv carotid cov hlab ntsha.
Tsis tas li, cov hlab ntsha loj rau lub hlwb yog dab tsi?
Lub paj hlwb tau txais ntshav los ntawm ob qhov chaw: sab hauv cov hlab ntsha carotid, uas tshwm sim ntawm qhov taw tes hauv caj dab qhov twg ntau carotid arteries bifurcate, thiab vertebral cov hlab ntsha (Daim duab 1.20). Cov hlab ntsha sab hauv sab hauv carotid tsim los ua ob txoj hlab ntshav loj, lub hauv ntej thiab nruab nrab lub paj hlwb.
Tsis tas li, dab tsi yog ib feem ntawm lub paj hlwb ua rau cov leeg nqaij leeg? Raws li qhov muab khoom siv ntawm cov kab ke vertebrobasilar vascular, cov vertebral hlab ntsha muab khoom ntshav mus rau tus txha nqaj qaum, lub paj hlwb, cerebellum, thiab tom qab ib feem ntawm lub hlwb.
Ntxiv mus, cov ntshav mus rau lub hlwb li cas?
Ntshav yog muab rau tag nrho lub hlwb los ntawm 2 khub ntawm cov hlab ntsha: sab hauv cov hlab ntsha carotid thiab cov hlab ntsha vertebral. Cov hlab ntsha basilar koom nrog ntshav muab cov hlab ntsha sab hauv carotid hauv lub nplhaib ntawm lub hauv paus ntawm lub hlwb.
Yuav muaj dab tsi tshwm sim thaum ntshav nkag rau hauv lub hlwb?
Tom qab ntshav nkag rau hauv lub hlwb thiab qhov chaw nyob ib puag ncig nws, kev puas tsuaj ncaj qha rau lub hlwb cov nqaij thiab lub hlwb kev ua tiav. Tus nqi ntawm kev puas tsuaj feem ntau cuam tshuam nrog tus nqi ntawm ntshav . Qhov no tuaj yeem cuam tshuam ib txwm muaj ntshav ntws mus rau kev noj qab nyob zoo lub hlwb cov ntaub so ntswg thiab tuaj yeem ua rau ntau dua lub hlwb puas. Qhov no hu ua "ischemic stroke."
Pom zoo:
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Cov hlab ntsha tau pom tias yog nqa cov ntshav oxygenated mus rau cov ntaub so ntswg, thaum cov leeg nqa cov ntshav deoxygenated rov qab mus rau lub plawv. Txawm li cas los xij, hauv txoj hlab ntsws, cov hlab ntsha nqa cov ntshav deoxygenated los ntawm lub plawv mus rau lub ntsws, thiab cov hlab ntshav rov qab ntshav los ntawm lub ntsws mus rau lub plawv
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Lub paj hlwb sab hauv suav nrog txhua lub paj hlwb hauv lub cev uas nyob sab nraud ntawm tus txha caj qaum thiab lub hlwb. Cov hlab ntsha no nqa cov ntaub ntawv mus rau thiab los ntawm lub hauv nruab nrab lub paj hlwb kom muab txoj haujlwm ntawm lub cev. Sensory hlwb koom nrog hauv kev noj cov ntaub ntawv los ntawm lub periphery mus rau hauv nruab nrab lub paj hlwb