![Dab tsi yog qhov sib txawv ntawm sab laug axis? Dab tsi yog qhov sib txawv ntawm sab laug axis?](https://i.answers-medical.com/preview/medical-health/14111804-what-is-a-left-axis-deviation-j.webp)
Video: Dab tsi yog qhov sib txawv ntawm sab laug axis?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Hauv electrocardiography, sab laug axis sib txawv (LAD) yog ib yam mob uas txhais tau tias hluav taws xob axis ntawm txoj hlab ntsws ntawm lub plawv nyob hauv lub dav hlau pem hauv ntej kev taw qhia ntawm −30 ° thiab −90 °.
Ntawm no, yog sab laug txoj kev sib txawv loj?
Sab laug Anterior Fascicular Block nyob rau hauv Tsis Muaj Kab Mob plawv. Qhov txawv txav sab laug axis sib txawv yog ib qho ntawm feem ntau qhov txawv txav ECG pom. Kwv yees li 59 feem pua ntawm cov tib neeg nrog sab laug axis sib txawv muaj lwm qhov kev tshawb pom qhia tias mob plawv.
Ib yam nkaus, yuav ua li cas sab laug txoj kev hloov pauv? Kev ua neej nyob thiab kev kho tsev
- Poob poob. Sab laug ventricular hypertrophy feem ntau pom hauv cov neeg rog tsis hais txog ntshav siab.
- Lub plawv noj qab nyob zoo.
- Txwv ntsev hauv koj cov zaub mov.
- Haus dej cawv hauv qhov nruab nrab, yog tias tag nrho.
- Kev tawm dag zog lub cev tas li.
- Tswj kev ntxhov siab.
Hauv txoj kev no, dab tsi ua rau lub plawv sib cav sib txawv?
Pathophysiology. Lub pathophysiology nyob ntawm qhov tshwj xeeb ua ntawm txoj cai axis sib txawv . Feem ntau ua tuaj yeem raug ntaus nqi rau ib ntawm plaub lub tswv yim tseem ceeb. Cov no suav nrog txoj cai lub ntsws hypertrophy, txo cov leeg nqaij ntawm sab laug ventricle, hloov pauv txoj hauv kev thiab hloov pauv txoj haujlwm ntawm plawv hauv siab.
Lub axis txhais li cas hauv ECG?
Cov hluav taws xob axis ntawm lub plawv (lub plawv axis ) Txawm hais tias feem ntau tsis quav ntsej, kev tshuaj xyuas hluav taws xob axis yog ib feem tseem ceeb ntawm ECG kev txhais lus Cov hluav taws xob axis qhia txog qhov nruab nrab cov kev taw qhia ntawm ventricular depolarization thaum lub sij hawm ventricular contraction.
Pom zoo:
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Txoj hauv kev hauv tsev xav tau tsuas yog cov khoom sib txuam pom hauv cov ntshav nws tus kheej - tshwj xeeb, cov ntshav khov XII (Hageman factor) los ntawm cov platelets. Txoj hauv kev txuas ntxiv yog pib los ntawm yam sab nraud rau cov ntshav, hauv cov ntaub so ntswg uas nyob ib sab rau cov hlab ntshav puas
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Dab tsi yog qhov sib txawv thiab qhov zoo sib xws ntawm 'crude' kov thiab 'nplua' kov qhov hnov? Nyuaj kov yog hais txog kev nkag siab los ntawm kev txhawb nqa ntawm cov neeg txais khoom ntawm qhov tsis nkag siab nrog cov teb loj. Hauv kev sib piv, kev kov zoo yog hais txog cov neeg txais khoom ntawm kev nkag siab siab nrog cov chaw txais me me
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Hauv tib neeg feem ntau, sab laug ntawm lub paj hlwb yog qhov tseem ceeb, thiab hauv tib neeg feem ntau sab laug sab laug sab laug tswj kev nco txog ntsig txog qhov tseeb thiab cov ntaub ntawv, nrog rau lub peev xwm paub lub ntsej muag thiab khoom
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Cov kws kho mob sib txawv ntawm peb hom plawv tsis ua hauj lwm, raws li: Sab laug-sab plawv tsis ua hauj lwm: Sab laug lub plawv ntawm lub plawv tsis tso ntshav txaus nyob ib ncig ntawm lub cev lawm. Lub plawv tsis ua haujlwm sab xis: Ntawm no txoj cai ventricle ntawm lub plawv tsis muaj zog txaus los nqus cov ntshav txaus rau lub ntsws
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Qhov pib tsis txaus yog qhov tsawg kawg ntawm kev txhawb siab xav tau rau ib tus neeg kom pom qhov kev txhawb siab 50 feem pua ntawm lub sijhawm. Qhov sib txawv ntawm qhov sib txawv yog qhov sib txawv me tshaj hauv kev txhawb nqa uas tuaj yeem kuaj pom 50 feem pua ntawm lub sijhawm