![Dab tsi yog Beta blockers muaj kev ua haujlwm ntawm lub cev sympathomimetic? Dab tsi yog Beta blockers muaj kev ua haujlwm ntawm lub cev sympathomimetic?](https://i.answers-medical.com/preview/medical-health/14009766-what-beta-blockers-have-intrinsic-sympathomimetic-activity-j.webp)
Video: Dab tsi yog Beta blockers muaj kev ua haujlwm ntawm lub cev sympathomimetic?
![Video: Dab tsi yog Beta blockers muaj kev ua haujlwm ntawm lub cev sympathomimetic? Video: Dab tsi yog Beta blockers muaj kev ua haujlwm ntawm lub cev sympathomimetic?](https://i.ytimg.com/vi/a8R66C-MRWY/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Qee cov beta blockers (xws li oxprenolol, pindolol , penbutolol , labetalol thiab acebutolol ) nthuav tawm qhov kev ua haujlwm ntawm lub cev sympathomimetic (ISA). Cov neeg ua haujlwm no muaj peev xwm ua kom qis qis agonist kev ua haujlwm ntawm β-adrenergic receptor thaum tib lub sijhawm ua tus receptor site antagonist.
Kuj paub, dab tsi yog intrinsic sympathomimetic kev ua si txhais tau tias?
Intrinsic sympathomimetic kev ua ub no (ISA) qhia txog ib pawg ntawm beta blockers uas muaj peev xwm txhawb nqa beta-adrenergic receptors (agonist effect) thiab tawm tsam cov teebmeem stimulating ntawm catecholamines (antagonist effect) hauv kev sib tw.
Ib tug kuj yuav nug, uas beta blockers yog xaiv? Beta-1 selective blockers rau kev kho mob ntawm ntshav siab . Beta-1 selective blockers yog subclass ntawm beta blockers uas feem ntau siv los kho ntshav siab . Cov tshuaj hauv chav kawm no suav nrog atenolol ( Tenormin ), tshuaj metoprolol ( Lopressor ), nebivolol ( Bystolic ) thiab bisoprolol ( Zebeta , Monocor ).
Ib yam li ntawd, puas yog labetalol muaj kev ua haujlwm sympathomimetic?
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.
Dab tsi yog beta blockers thaiv?
Beta-blockers , tseem hu ua beta -adrenergic thaiv cov tshuaj, yog cov tshuaj uas txo koj cov ntshav siab. Beta-blockers ua haujlwm los ntawm thaiv Cov teebmeem ntawm cov tshuaj hormone epinephrine, tseem hu ua adrenaline. Beta-blockers ua rau koj lub plawv dhia qeeb qeeb thiab tsis muaj zog, uas txo cov ntshav siab.
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