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Video: Puas yog labetalol muaj kev ua haujlwm sib raug zoo hauv tsev?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Labetalol muaj intrinsic sympathomimetic kev ua ub no . Hauv particular, nws yog ib feem agonist ntawm beta2- receptors nyob rau hauv lub vascular du nqaij.
Tsis tas li ntawd, cov beta blockers twg muaj cov kev ua haujlwm sympathomimetic?
Beta blockers xws li pindolol ( Visken ), penbutolol sulfate ( Levatol ), thiab acebutolol hydrochloride ( Sectral ) txawv ntawm lwm cov beta blockers vim lawv muaj kev ua haujlwm sab hauv (sympathomimetic) (ISA), uas txhais tau tias lawv ua raws li cov txiaj ntsig ntawm epinephrine thiab norepinephrine thiab tuaj yeem ua rau nce ntshav siab thiab
Ib yam li ntawd, hom tshuaj twg yog labetalol? Labetalol yog tshuaj siv los kho ntshav siab . Nws tseem paub los ntawm nws cov npe khoom lag luam Normodyne thiab Trandate. Cov tshuaj no yog nyob rau hauv ib pawg tshuaj hu ua beta blockers. Nws ua haujlwm los ntawm kev so cov hlab ntsha thiab ua kom lub plawv dhia qeeb kom txhim kho cov ntshav khiav thiab txo cov ntshav siab.
Dhau li ntawm saum toj no, dab tsi yog qhov kev ua sympathomimetic intrinsic?
Intrinsic sympathomimetic kev ua ub no (ISA) qhia txog ib pawg beta blockers uas yog muaj peev xwm txhawb nqa beta-adrenergic receptors (agonist effect) thiab tawm tsam cov teebmeem ntawm catecholamines (antagonist effect) hauv kev sib tw.
Beta 2 blockers ua dab tsi?
Kev txhawb zog ntawm β2 receptors induces cov leeg so kom txaus, ua rau tshee hauv cov leeg pob txha, thiab nce glycogenolysis hauv lub siab thiab cov leeg pob txha. Txij li thaum β2 adrenergic receptors tuaj yeem ua rau vascular du cov leeg nthuav dav, beta blockers tuaj yeem ua rau qee qhov vasoconstriction.
Pom zoo:
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Qee leej neeg xyaum kev nyob ib leeg raws li txoj hauv kev kom nyob ze rau lawv kev ntseeg lossis cog lus rau lub zog siab dua uas lawv ntseeg hauv. Celibacy tseem tuaj yeem yog txoj hauv kev los txhim kho kev sib raug zoo yam tsis muaj kev txiav txim siab thiab ua txhua yam ntawm lawv txoj kev hlub rau ib tus neeg
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