![Vim li cas cov hlab ntshav nruab nrab nruab nrab siv rau venipuncture? Vim li cas cov hlab ntshav nruab nrab nruab nrab siv rau venipuncture?](https://i.answers-medical.com/preview/medical-health/14040306-why-is-the-median-cubital-vein-used-for-venipuncture-j.webp)
Video: Vim li cas cov hlab ntshav nruab nrab nruab nrab siv rau venipuncture?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Nws muaj feem cuam tshuam nrog chaw kho mob raws li nws ib txwm ua siv rau venipuncture (noj cov ntshav) thiab ua ib qho chaw rau cov kab mob intravenous. Nws txuas cov basic thiab cephalic cov leeg thiab dhau los ua qhov tseem ceeb thaum siv lub siab. Nws nyob hauv kub fossa superficial rau ob qho tib si aponeurosis.
Ua kom pom qhov no, qhov nruab nrab nruab nrab ntawm cov hlab ntshav ntws cov ntshav los ntawm qhov twg?
Venous anatomy ntawm thaj av Venae comitantes ntws rau hauv nruab nrab cubital leeg ntawm ib qho chaw tas li nyob ze ntawm lub luj tshib. Lub ntsej muag forearm cov leeg ntws rau hauv cephalic , yooj yim , thiab nruab nrab cov leeg leeg (saib daim duab 25.3).
Tsis tas li ntawd, dab tsi cais cov hlab ntsha nruab nrab nruab nrab ntawm cov hlab ntsha nruab nrab? Cov nruab nrab paj hlwb tom qab ntawd cov chav kawm nruab nrab mus rau cov hlab ntsha brachial (Daim duab 3.2). Hauv kub fossa, ua nruab nrab paj hlwb nyob tom qab nruab nrab cubital leeg thiab nyob rau hauv lub bicipital aponeurosis, muab ib ceg rau lub luj tshib. Nws yog sib cais los ntawm cov hlab ntsha ulnar los ntawm qhov tob lossis ulnar taub hau ntawm cov leeg.
Khaws qhov no saib, dab tsi yog 3 txoj hlab ntshav feem ntau siv hauv phlebotomy?
“Ua tsaug Fizzy Ology! Cia peb mus rau peb cov lus nug ntxiv: Lub npe peb leeg feem ntau cov leeg leeg siv hauv phlebotomy. Nruab nrab kub , basalmic, thiab cov leeg leeg.
Txoj hlab ntshav ntawm kev xaiv rau venipuncture yog dab tsi?
Median cubital leeg
Pom zoo:
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Creatinine yog cov khoom pov tseg los ntawm cov leeg tawg thiab raug tshem tawm los ntawm cov ntshav los ntawm glomerulus ntawm nephron. Nws tsuas yog cov khoom uas tsuas yog lim tawm ntawm cov ntshav tab sis TSIS tau rov ua dua rau hauv lub cev. Nws raug tso tawm los ntawm cov zis
Dab tsi yog qhov nruab nrab nruab nrab txhim kho rau?
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Thaum lub sijhawm embryonic kev txhim kho, lub nruab nrab lub paj hlwb (tseem hu ua mesencephalon) tshwm sim los ntawm ob lub vesicle ntawm cov hlab ntsha neural, thaum sab hauv ntawm lub raj no dhau los ua lub paj hlwb. Nws tsis faib mus rau lwm qhov chaw hauv hlwb
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Hom hlab ntsha Capillaries yog feeb nyias-walled hlab ntsha uas txuas cov hlab ntsha thiab venules; Nws yog los ntawm cov capillaries uas cov as-ham thiab cov pov tseg tau pauv ntawm cov ntshav thiab cov ntaub so ntswg ntawm lub cev
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Muaj plaub hom neuroglia pom nyob hauv nruab nrab lub paj hlwb: Astrocytes - tswj cov ntshav lub hlwb teeb meem thiab khaws cov tshuaj ib puag ncig los ntawm kev siv cov ions rov qab thiab cov tshuaj xa xov mus rau lub cev. Oligodendrocytes - myelinate axons nyob rau hauv lub hauv nruab nrab lub paj hlwb thiab muab tag nrho cov txheej txheem txheej txheem
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Cov leeg yuav tsum tau li qub kom cov ntshav ntws mus rau lub plawv. Theses li qub yog qhov tshwj xeeb hauv ob txhais ceg thiab caj npab. Lawv tawm tsam lub ntiajteb txawj nqus los tiv thaiv cov ntshav rov qab los. Cov hlab ntsha tsis xav tau li qub vim tias lub siab los ntawm lub plawv ua kom cov ntshav ntws los ntawm lawv mus rau ib qho