![Dab tsi yog qhov kawg systolic ntim? Dab tsi yog qhov kawg systolic ntim?](https://i.answers-medical.com/preview/medical-health/14138210-what-is-normal-end-systolic-volume-j.webp)
Video: Dab tsi yog qhov kawg systolic ntim?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Rau ib nruab nrab -sized txiv neej, tus kawg -diastolic ntshav siab ntim yog 120 milliliters ntshav thiab cov kawg - systolic ntim yog 50 milliliters ntawm cov ntshav. Qhov no txhais tau tias nruab nrab mob stroke ntim rau ib tug txiv neej noj qab nyob zoo yog feem ntau txog 70 milliliters ntawm cov ntshav ib zaug. Tag nrho cov ntshav ntim kuj cuam tshuam rau tus lej no.
Ib sab ntawm qhov no, dab tsi yog tus nqi raug rau qhov kawg systolic ntim?
Txoj cai ventricular kawg - systolic ntim (RVESV) ib txwm muaj thaj tsam ntawm 50 thiab 100 ml.
Ib yam li ntawd, vim li cas qhov kawg systolic ntim txo nrog kev tawm dag zog? Kev nce hauv cov hlab ntshav siab (nce lub plawv dhia tom qab) uas ib txwm tshwm sim thaum lub sijhawm kev tawm dag zog nyhav kom txo qis hauv kawg - systolic ntim ; txawm li cas los xij, qhov loj ntxiv hauv inotropy yog qhov tseem ceeb cuam tshuam rau kawg - systolic ntim thiab mob stroke ntim.
Hauv qhov no, koj yuav pom qhov kawg systolic ntim li cas?
Xaus - systolic ntim yog cov ntshav tshuav nyob rau hauv lub ventricle ntawm lub kawg ntawm systole cov , tom qab lub plawv tau cog lus. Mob stroke ntim yog cov ntshav ntau uas lub plawv tso tawm ntawm sab laug ventricle nrog txhua tus ntaus. Cov mis rau mob stroke ntim yog: Stroke ntim = kawg -diastolic ntshav siab ntim – kawg - systolic ntim.
Qhov kawg systolic ntim cuam tshuam li cas rau lub plawv tso zis?
Cov stroke ntim tuaj yeem nce ntxiv, ib txwm muaj, lossis qis dua, nyob ntawm qhov hnyav ntawm AI. The LV ntim yog nce thaum lub sij hawm so ntawm isovolumic. Nyob rau hauv chronic AI lub kawg - diastolic, kawg - systolic thiab stroke ntim yog cov loj. Lub plawv tso zis yog ib txwm, txawm tias qhov contractility tsawg.
Pom zoo:
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Qhov ntim cia tseg (ERV) yog cov pa ntxiv uas tuaj yeem nqus tau tom qab ua pa ib txwm. Nws yog qhov nyiaj khaws cia uas tuaj yeem nqus tau dhau qhov uas ib txwm muaj. Hloov pauv, qhov ua rau lub zog cia siab (IRV) yog qhov ntxiv ntawm huab cua uas tuaj yeem nqus tau tom qab nqus tau ib txwm
Qhov txawv ntawm qhov kev xav ua ntej thiab qhov kev xav zaum kawg yog dab tsi?
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Kev xav ua ntej yog qhov tsim tawm ntawm tus neeg mob lub qhov ncauj. Qhov kev xav zaum kawg muaj cov ntsiab lus tseeb ntawm cov hniav txheej thiab lawv cov ntaub so ntswg ib puag ncig. Lawv tau siv los ua cov hlau thiab tuag nrog cov ntsiab lus meej ntawm cov hniav txheej thiab lawv cov ntaub so ntswg ib puag ncig
Yuav ua li cas koj xam qhov kawg systolic ntim?
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Qhov kawg-systolic ntim yog cov ntshav nyob hauv lub ventricle kawg ntawm systole, tom qab lub plawv tau cog lus. Stroke ntim yog qhov ntau ntawm cov ntshav uas lub plawv tso tawm ntawm sab laug ventricle nrog txhua tus ntaus. Cov mis rau mob stroke ntim yog: Stroke ntim = kawg-diastolic ntim - kawg-systolic ntim
Dab tsi yog qhov kawg ntawm diastolic ntim?
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Rau ib tug txiv neej qhov nruab nrab, qhov kawg-diastolic ntim yog 120 milliliters ntawm cov ntshav thiab qhov kawg-systolic ntim yog 50 milliliters ntawm cov ntshav. Qhov no txhais tau tias qhov nruab nrab mob hlab ntsha tawg rau txiv neej noj qab haus huv feem ntau yog li ntawm 70 milliliters ntawm cov ntshav ib zaug. Cov ntshav tag nrho tseem cuam tshuam rau tus lej no
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Kev tswj qhov ntim qhov cua txhais tau tias ntim ntim rau tus neeg mob (tidal ntim Vt raws li kev tswj hwm sib txawv). Txoj kev siab ntawm txoj hlab ntsws tshwm sim los ntawm kev ua raws li lub ntsws thiab qhov nqus tau pa. Lub siab txwv kom ntseeg tau tias tsis muaj qhov siab tshaj plaws uas tuaj yeem ua mob rau lub ntsws