Video: Dab tsi ua rau vasodilation thaum anaphylactic shock?
2024 Tus sau: Oswald Mason | [email protected]. Kawg hloov kho: 2023-12-16 01:03
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:
- 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.
- Yog tias lawv muaj EpiPen, muab tshuaj tam sim ntawd.
- 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.
Pom zoo:
Cov tsos mob ntawm anaphylactic shock yog dab tsi?
Cov tsos mob ntawm anaphylaxis muaj xws li: cov tawv nqaij tshwm sim xws li khaus khaus, tawv nqaij tawv, lossis daj ntseg. mam li nco dheev hnov sov heev. zoo li koj muaj pob hauv koj caj pas lossis nqos nyuaj. xeev siab, ntuav, lossis raws plab. mob plab. tsis muaj zog thiab ceev mem tes. hnoos thiab txham. tus nplaig o los yog daim di ncauj
Lub pathophysiology ntawm anaphylactic shock yog dab tsi?
Pathophysiology. Anaphylaxis yog ib qho kev tsis haum tshuaj loj heev ntawm qhov pib sai cuam tshuam rau ntau lub cev. Nws yog vim qhov kev tso tawm ntawm cov kab mob sib kis thiab cytokines los ntawm cov hlwb mast thiab basophils, feem ntau yog vim muaj cov tshuaj tiv thaiv kab mob, tab sis qee zaum tsis yog immunologic mechanism
Cov theem ntawm anaphylactic shock yog dab tsi?
Anaphylaxis ua rau koj lub cev tiv thaiv kab mob tso dej nyab ntawm cov tshuaj uas tuaj yeem ua rau koj poob siab - koj cov ntshav siab poob sai sai thiab koj txoj hlab pa nqaim, thaiv ua pa. Cov tsos mob thiab cov tsos mob muaj xws li ceev ceev, tsis muaj zog mem tes; daim tawv nqaij ua pob; thiab xeev siab thiab ntuav
Kev kho mob anaphylactic shock yog dab tsi?
Thawj kauj ruam rau kev kho mob anaphylactic poob siab yuav zoo li txhaj tshuaj epinephrine (adrenaline) tam sim ntawd. Qhov no tuaj yeem txo qhov hnyav ntawm qhov tsis haum tshuaj. Hauv tsev kho mob, koj yuav tau txais ntau dua epinephrine hauv cov hlab ntsha (los ntawm IV). Koj tuaj yeem tau txais glucocorticoid thiab tshuaj tiv thaiv kab mob hauv cov hlab ntsha
Tus neeg mob anaphylactic puas tuaj yeem nyob rau hauv hypovolemic shock?
Qhov sib npaug ntawm cov pov thawj los ntawm tib neeg kev soj ntsuam thiab kev tshawb fawb tsiaj qhia tau hais tias lub ntsiab pathophysiologic nta ntawm anaphylactic shock yog ib qho kev txo qis hauv venous tone thiab kua dej extravasation ua rau txo venous rov qab (mixed hypovolemic-distributive shock) thiab kev nyuaj siab myocardial muaj nuj nqi