Beta-Blockers - daim ntawv teev cov tshuaj

Feem ntau cov leeg, nrog rau lub plawv, nrog rau cov hlab ntsha, lub raum, cov hlab pas thiab lwm cov ntaub so ntswg, muaj cov neeg hu ua beta-adrenergic receptors. Lawv yog cov uas muaj mob, thiab qee zaum txaus ntshai, qhov ua rau lub cev tiv thaiv thiab kev nyuab siab ("ntaus los yog khiav"). Yuav kom txo lawv cov kev ua hauv cov tshuaj, kev siv beta-blockers yog siv - cov npe ntawm cov tshuaj no los ntawm cov tshuaj pharmacological loj heev, uas tso cai rau kev siv tshuaj rau txhua tus neeg mob ib leeg zuj zus.

Tsis-xaiv cov beta-blockers

Muaj ob hom adrenoreceptors - beta-1 thiab beta-2. Thaum thawj kab txawv raug blocked, cov teebmeem nram qab no ua tiav:

Yog tias koj thaiv beta-2-adrenoreceptors, muaj kev nce hauv peripheral tsis kam ntawm cov hlab ntsha thiab lub suab:

Kev npaj los ntawm txhua pab pawg ntawm cov tsis muaj kev tiv thaiv beta-blockers ua tsis xaiv, txo cov kev ua ntawm ob yam ntawm cov neeg txais khoom.

Cov tshuaj nram no yog hais txog cov tshuaj uas suav tias yog siv rau:

Selective beta-blockers

Yog hais tias cov tshuaj ua haujlwm tsis zoo thiab txo cov kev ua haujlwm ntawm cov beta-1-adrenergic receptors nkaus xwb, nws yog ib tus neeg saib xyuas zoo. Nws yog tsim nyog sau cia hais tias xws li cov tshuaj muaj ntau preferable nyob rau hauv cov kev kho mob ntawm plawv pathologies, dhau li ntawd, lawv tsim tsawg phiv.

Cov npe ntawm cov tshuaj los ntawm pawg neeg ntawm cardioselective beta-blockers ntawm lub cim tshiab:

Cov teebmeem tshwm sim los ntawm kev sib tw beta-blockers

Cov xwm txheej tsis txaus ntseeg feem ntau ua rau cov tshuaj uas tsis yog xaiv. Cov no muaj xws li cov nram qab no pathological:

Feem ntau, tom qab nres qhov adrenoblocker, muaj "tshem tawm syndrome" nyob rau hauv daim ntawv ntawm ib tug ntse thiab steady nce nyob rau hauv cov ntshav siab, heev zaus ntawm angina pectoris.