![Lub plawv dhia tsiaj pib pib qhov twg? Lub plawv dhia tsiaj pib pib qhov twg?](https://i.answers-medical.com/preview/medical-health/13902795-where-is-the-mammalian-heart-beat-initiated-j.webp)
Video: Lub plawv dhia tsiaj pib pib qhov twg?
![Video: Lub plawv dhia tsiaj pib pib qhov twg? Video: Lub plawv dhia tsiaj pib pib qhov twg?](https://i.ytimg.com/vi/8rFECpz9CVY/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub tshuab ua haujlwm sab hauv pib ntawm sinoatrial node, uas nyob ze ntawm phab ntsa ntawm sab xis atrium. Cov nqi hluav taws xob ua pa los ntawm SA node ua rau ob lub atria sib cog lus ua ke; tom qab ntawd cov mem tes nce mus txog atrioventricular node ntawm sab xis atrium thiab sab xis ventricle.
Ib yam li ntawd, koj yuav nug, yuav pib lub plawv dhia li cas thiab ua haujlwm tau zoo li cas?
Lub atria thiab lub ventricles ua haujlwm ua ke, sib cog lus thiab so kom tso ntshav los ntawm koj lub plawv. Cov hluav taws xob ua haujlwm kis mus rau ntawm phab ntsa ntawm atria thiab ua rau lawv cog lus. Qhov no ua rau cov ntshav nkag mus rau hauv lub ntsws. SA node teev tus nqi thiab kev sib dhos ntawm koj lub plawv dhia.
Ib yam nkaus, tus tsiaj lub plawv yog dab tsi? Cov Mammalian Lub Plawv Cov plawv yog cov leeg nruj uas tso ntshav los ntawm peb qhov kev faib ua feem ntawm cov hlab ntshav: lub plawv (cov hlab ntsha uas ua haujlwm rau plawv ), mob ntsws ( plawv thiab lub ntsws), thiab kev ua haujlwm (lub cev ntawm lub cev). Los ntawm cov kab mob ntsws, ntshav rov nkag mus rau hauv plawv dhau ntawm sab laug atrium.
Hais txog qhov no, pib lub plawv dhia pib qhov twg?
Thaum pib ntawm plawv plawv , ob qho tib si atria thiab ventricles tau so (diastole). Ntshav yog ntws mus rau sab xis atrium los ntawm qhov ua tau zoo thiab qis dua venae cavae thiab cov hlab plawv. Cov ntshav ntws mus rau sab laug atrium los ntawm plaub leeg hlab ntshav.
Yuav muaj dab tsi tshwm sim thaum lub ventricular systole hauv plawv plawv tsiaj?
Systole , lub sij hawm ntawm kev cog lus ntawm lub ntsws ntawm plawv tias tshwm sim nruab nrab ntawm thawj thiab thib ob plawv cov suab ntawm plawv voj voog (ntu ntawm cov xwm txheej hauv ib leeg plawv tuav). Systole ua rau cov ntshav tawm mus rau hauv lub aorta thiab cov hlab ntsws.
Pom zoo:
Lub plawv plawv twg tsim lub hauv paus ntawm lub plawv?
![Lub plawv plawv twg tsim lub hauv paus ntawm lub plawv? Lub plawv plawv twg tsim lub hauv paus ntawm lub plawv?](https://i.answers-medical.com/preview/medical-health/13846400-which-heart-chamber-forms-the-base-of-the-heart-j.webp)
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
Koj puas tuaj yeem mob plawv yog tias koj muaj lub tshuab ua kom lub plawv dhia?
![Koj puas tuaj yeem mob plawv yog tias koj muaj lub tshuab ua kom lub plawv dhia? Koj puas tuaj yeem mob plawv yog tias koj muaj lub tshuab ua kom lub plawv dhia?](https://i.answers-medical.com/preview/medical-health/13949388-can-you-have-a-heart-attack-if-you-have-a-pacemaker-j.webp)
Los ntawm kev tswj lub plawv atherosclerosis, lub pacemaker feem ntau tuaj yeem tshem tawm cov tsos mob ntawm bradycardia. Txawm li cas los xij, tus pacemaker tsis yog kev kho. Nws yuav tsis tiv thaiv lossis nres kab mob hauv lub plawv, thiab nws yuav tsis tiv thaiv kev mob plawv
Qhov cim cim ntawm lub plawv dhia hauv lub plawv dhia txhais li cas?
![Qhov cim cim ntawm lub plawv dhia hauv lub plawv dhia txhais li cas? Qhov cim cim ntawm lub plawv dhia hauv lub plawv dhia txhais li cas?](https://i.answers-medical.com/preview/medical-health/14064465-what-does-marked-fetal-heart-rate-variability-mean-j.webp)
Cim kev hloov pauv txhais tau tias muaj qhov sib txawv ntau dua 25 bpm hauv tus menyuam hauv plab lub plawv dhia dhau lub sijhawm muab sijhawm. Thaum ntsuas lub plawv dhia ntawm tus me nyuam hauv plab, peb xav pom qee qhov kev hloov pauv, vim qhov kev hloov pauv yog qhov qhia tias tus menyuam txav mus los thiab nyob zoo
Lub plawv dhia femoral nyob qhov twg?
![Lub plawv dhia femoral nyob qhov twg? Lub plawv dhia femoral nyob qhov twg?](https://i.answers-medical.com/preview/medical-health/14101839-where-is-the-femoral-pulse-located-j.webp)
puab puab Tsis tas li ntawd, dab tsi yog lub plawv dhia femoral? Femoral Pulse Cov femoral cov hlab ntsha hla ncaj nraim nruab nrab ntawm cov pubic symphysis thiab sab nraub qaum iliac txha nraub qaum (hu ua nruab nrab-qhov taw tes taw tes).
Dab tsi yog qhov txawv ntawm qhov tseeb qhov pib thiab qhov sib txawv qhov pib?
![Dab tsi yog qhov txawv ntawm qhov tseeb qhov pib thiab qhov sib txawv qhov pib? Dab tsi yog qhov txawv ntawm qhov tseeb qhov pib thiab qhov sib txawv qhov pib?](https://i.answers-medical.com/preview/medical-health/14181956-what-is-the-difference-between-an-absolute-threshold-and-a-difference-threshold-j.webp)
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