Cov txheej txheem:
![Dab tsi yog lub plawv kev ua haujlwm? Dab tsi yog lub plawv kev ua haujlwm?](https://i.answers-medical.com/preview/medical-health/13911069-what-is-the-cardiac-conduction-system-j.webp)
Video: Dab tsi yog lub plawv kev ua haujlwm?
![Video: Dab tsi yog lub plawv kev ua haujlwm? Video: Dab tsi yog lub plawv kev ua haujlwm?](https://i.ytimg.com/vi/rLd59jFIgA0/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov kev kho plawv yog pab pawg tshwj xeeb plawv cov leeg nqaij hauv cov phab ntsa ntawm plawv uas xa cov cim rau plawv cov leeg ua rau nws cog lus. Lub hauv paus tseem ceeb ntawm kev kho plawv yog SA node, AV node, pob ntawm Nws, nras ceg, thiab Purkinje fibers.
Ua qhov no hauv kev txiav txim siab, peb yam tseem ceeb ntawm kev ua haujlwm plawv yog dab tsi?
Sinoatrial (cov SA) node atriaoventricular, AV) node , nws-purkinje system.
Tom qab ntawd, lo lus nug yog, vim li cas lub plawv kev ua haujlwm tseem ceeb? Kev tswj lub plawv : Hluav taws xob kev ua haujlwm uas tswj lub plawv tus nqi. Qhov no lawv tsim hluav taws xob impulses thiab coj lawv thoob plaws hauv cov leeg ntawm lub plawv , stimulating cov plawv los cog lus thiab tso ntshav.
Tib neeg tseem nug, txoj hauv kev ntawm lub plawv ua haujlwm li cas?
Cov kev ua haujlwm ntawm plawv . Sab laug: Kev ua kom zoo ib txwm muaj los ntawm sinoatrial (SA) ntawm qhov ntawd nthuav tawm los ntawm ob qho tib si atria. Lub atrial depolarization kis mus rau atrioventricular (AV) node, thiab dhau los ntawm pob ntawm Nws mus rau cov ceg ntoo/Purkinje fibers.
Cov kauj ruam ntawm kev coj lub siab yog dab tsi?
Kev mob plawv tuaj yeem cuam tshuam los ntawm ntau yam xws li kev tawm dag zog, ntsuas kub, thiab cov tshuaj hormones hauv lub cev
- Kauj Ruam 1: Pacemaker Impulse Generation.
- Kauj ruam 2: AV Node Impulse Conduction.
- Kauj Ruam 3: AV Bundle Impulse Conduction.
- Kauj Ruam 4: Purkinje Fibers Impulse Conduction.
Pom zoo:
Lub plawv plawv twg tsim lub hauv paus ntawm lub plawv?
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Lub hauv paus ntawm lub plawv (sab nraub qaum): Nws tau tsim los ntawm sab laug atrium, uas yog plaub txoj hlab ntshav hlab ntshav. Nws nyob ntawm qhov ntxeev ntawm lub apex
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Cov khoom siv hauv lub cev zom zaub mov suav nrog cov hniav, tus nplaig, cov qog ua kua qaub, daim siab, lub zais zis, thiab txiav txiav. Txhawm rau ua tiav lub hom phiaj ntawm kev muab lub zog thiab khoom noj khoom haus rau lub cev, rau lub luag haujlwm tseem ceeb nyob hauv cov txheej txheem zom zaub mov: nqos. Kev zais. Sib tov thiab txav mus los. Digestion. Kev nqus. Kev tshem tawm
Dab tsi yog qhov loj hauv plawv thiab lawv lub luag haujlwm yog dab tsi?
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Lub plawv muaj plaub chav: Txoj cai atrium tau txais cov ntshav los ntawm cov leeg ntshav thiab tso nws mus rau sab xis. Txoj hlab ntshav sab xis tau txais cov ntshav los ntawm txoj cai atrium thiab tso nws mus rau lub ntsws, qhov uas nws muaj cov pa oxygen. Sab laug atrium tau txais cov pa oxygen los ntawm lub ntsws thiab tso nws mus rau sab laug lub ntsws
Dab tsi yog hypertensive mob plawv yam tsis muaj lub plawv tsis ua haujlwm?
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Kab mob hauv lub plawv muaj ntau yam teeb meem ntawm cov ntshav siab uas cuam tshuam rau lub plawv. 0) thiab mob plawv siab tsis muaj lub plawv tsis ua haujlwm (I11. 9) yog qhov txawv ntawm cov kab mob plawv mob rheumatic (I05-I09), lwm hom mob plawv (I30-I52) thiab kab mob plawv ischemic (I20-I25)
Lub luag haujlwm ntawm tus kws saib xyuas mob plawv tsis ua haujlwm yog dab tsi hauv kev saib xyuas cov neeg mob plawv tsis ua haujlwm?
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Raws li ib feem ntawm pab pawg, tus kws kho mob lub plawv tsis ua haujlwm tau zoo muab rau muab kev pabcuam rau cov neeg mob thoob plaws txoj kev mob plawv tsis ua haujlwm thiab qhov no yuav tsum muaj kev koom tes ze nrog kws saib xyuas mob hauv thaj chaw tshwj xeeb tshwj xeeb xws li chav kho mob xwm txheej ceev thiab kev kho mob dav/ saib xyuas-ntawm-tus-neeg laus