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Video: Cov ntshav xa mus rau tus txha nqaj qaum yog dab tsi?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub ntsiab ntshav muab rau tus txha nqaj qaum yog dhau ntawm ib leeg nkaus xwb tus txha nqaj qaum Cov hlab ntsha (ASA) thiab ob lub posterior tus txha nqaj qaum cov hlab ntsha (PSA). Lub anterior tus txha nqaj qaum artery yog tsim los ntawm cov hlab ntsha vertebral uas yog los ntawm thawj ntu ntawm subclavian artery.
Hais txog qhov no, tus txha nqaj qaum xav tau kev txhawb ntshav ntxiv li cas?
Arterial mov Tag nrho ntshav txaus mus rau qaum yog ntxiv los ntawm ntau radicular los yog segmental medullary hlab ntsha, uas los ntawm superior mus rau inferior yog ceg ntawm lub 5: posterior inferior cerebellar hlab ntsha. vertebral cov hlab ntsha. nce ncauj tsev menyuam cov hlab ntsha.
Ib yam nkaus, dab tsi ua ntej cov leeg txha caj qaum muab? Hauv tib neeg lub cev, qhov anterior spinal artery yog cov leeg tias khoom siv cov sab hauv ib feem ntawm tus txha nqaj qaum qaum. Nws tshwm sim los ntawm ceg ntawm lub vertebral hlab ntsha thiab cov kev kawm raws sab hauv nam ntawm tus txha nqaj qaum qaum. Nws tau txhawb ntxiv los ntawm ntau qhov kev koom tes cov hlab ntsha , tshwj xeeb tshaj yog cov cov leeg ntawm Adamkiewicz.
Ib yam li ntawd, ib tug yuav nug, puas muaj cov hlab ntsha puas muaj ntshav?
Vim tias cov ntaub so ntswg yog avascular, daim disk hlwb nyob ntawm cov ntshav txaus ntawm cov npoo ntawm cov discs rau lawv cov as -ham. Lub nucleus thiab sab hauv anulus ntawm daim disk yog muab los ntawm capillaries uas tshwm sim hauv vertebral lub cev, nkag mus rau cov pob txha subchondral, thiab txiav tawm ntawm cov pob txha- daim disk kev sib tshuam
Cov hlab ntsha twg yog lub luag haujlwm muab ntshav rau lub ncauj tsev menyuam ntawm tus txha caj qaum?
vertebral hlab ntsha
Pom zoo:
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Nws tau ua los ntawm peb txheej, uas los ntawm sab nraud mus rau sab hauv (piv txwv li cranium/vertebrae rau lub hlwb/txha caj qaum) yog: dura mater, arachnoid mater, thiab. pia mav
Dab tsi yog CPT txoj cai los tshaj tawm cov pob txha pob txha xav tau ua rau pob txha pob txha thaum phais pob txha?
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Pib 01/01/18, CPT code 20939 yuav tsum tau siv los tshaj tawm cov pob txha pob txha xav tau rau pob txha pob txha hauv kev phais pob txha
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Cov hauv qab no yog cov yam ntxwv sab nraud ntawm tus txha caj qaum (saib daim duab 1): Cov leeg txha caj qaum tshwm sim ua khub, ib qho ntawm txhua sab ntawm tus txha caj qaum raws nws qhov ntev. Cov hlab ntsha ntawm ncauj tsev menyuam tsim lub plexus (txoj kab sib txuas sib txuas ntawm cov hlab ntsha -lub paj hlwb sib tshuam thiab ceg)
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Cov hlab ntsha sciatic tau muab los ntawm L4-5 thiab S1–2 ntu ntawm tus txha nqaj qaum, sab xub ntiag rami uas ua rau qis qis ntawm lumbosacral plexus, koom ua ke los ua cov hlab ntsha sciatic
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Cov ceg ntawm cov leeg leeg leeg Cov leeg leeg leeg leeg mus rau hauv qab daus ramus, ventral ramus, ceg meningeal, thiab rami communicantes