Dab tsi ua rau vasodilation thaum anaphylactic shock?
Dab tsi ua rau vasodilation thaum anaphylactic shock?

Video: Dab tsi ua rau vasodilation thaum anaphylactic shock?

Video: Dab tsi ua rau vasodilation thaum anaphylactic shock?
Video: Anaphylactic Shock 2024, Lub peb hlis ntuj
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Hauv ib anaphylactic tshuaj tiv thaiv lub cev dheev tso tawm cov tshuaj, xws li histamine, uas khaws cia hauv cov qe ntshav thiab ntaub so ntswg. Cov histamine tso tawm los ntawm koj lub cev thaum ib anaphylactic cov tshuaj tiv thaiv ua rau cov hlab ntsha kom dav uas ua rau tam sim ntawd thiab poob hnyav hauv ntshav siab.

Tib neeg kuj nug, puas yog anaphylactic shock ua rau vasodilation lossis vasoconstriction?

Anaphylactic poob siab yog txuam nrog systemic vasodilation uas ua rau Cov ntshav siab qis uas yog los ntawm kev txhais 30% qis dua tus neeg lub hauv paus lossis qis dua tus qauv. Biphasic anaphylaxis yog qhov rov tshwm sim ntawm cov tsos mob tsis pub dhau 1-72 teev tsis muaj kev cuam tshuam ntxiv rau qhov ua xua.

Tsis tas li ntawd, koj ua li cas thaum ib tug neeg mus rau hauv anaphylactic shock? Yog hais tias ib tug neeg zoo li yuav mus rau hauv anaphylactic shock, hu rau 911 thiab tom qab ntawd:

  1. Coj lawv mus rau qhov chaw xis nyob thiab tsa lawv ob txhais ceg. Qhov no ua rau cov ntshav ntws mus rau hauv lub cev tseem ceeb.
  2. Yog tias lawv muaj EpiPen, muab tshuaj tam sim ntawd.
  3. Muab CPR rau lawv yog tias lawv tsis ua pa kom txog thaum pab neeg kho mob xwm txheej ceev tuaj txog.

Ntawm no, yuav ua li cas rau cov hlab ntsha thaum lub sij hawm anaphylactic shock?

Thaum anaphylaxis , me me cov hlab ntsha (capillaries) pib xau ntshav rau hauv koj cov ntaub so ntswg. Qhov no tuaj yeem ua rau muaj kev poob qis sai sai ntshav siab. Thaum lub cev tseem ceeb tsis tau txais ntshav thiab oxygen lawv xav tau ua haujlwm, koj lub cev nkag mus rau hauv anaphylactic poob siab . Qhov no yog kev kho mob xwm txheej ceev txog lub neej.

Yuav ua li cas yog lub mechanism ntawm kev loj hlob ntawm anaphylaxis?

Anaphylaxis Feem ntau, ntseeg tau tias tshwm sim los ntawm kev ua kom cov mast hlwb thiab basophils los ntawm ib tug tshuab Feem ntau nkag siab txog kev cuam tshuam ntawm kev sib txuas ntawm immunoglobulin (Ig) E thiab kev sib sau ua ke ntawm cov affinity siab rau IgE, FcεRI.

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