Video: Puas yog calcium channel blocker yog tshuaj tiv thaiv kab mob?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Calcium channel blockers (CCBs) muaj txiaj ntsig antiarrhythmic cov neeg sawv cev hauv kev tswj hwm qee yam kev mob plawv, feem ntau yog supraventricular tachyarrhythmias [1-3]. Lawv muaj cov khoom sib txawv electrophysiologic thiab yog li ntawm qhov sib txawv antiarrhythmic ua tau zoo.
Hauv qhov no, vim li cas cov calcium channel blockers siv los kho tus mob arrhythmias?
Calcium channel blockers Qhov no tso cai rau cov ntshav ntau ntxiv mus rau lub plawv, uas pab ua kom lub hauv siab mob thiab txo cov ntshav siab. Cov tshuaj no tuaj yeem ua rau koj lub plawv dhia qeeb. Kev txo lub plawv dhia thiab txo cov ntshav siab txo qhov mob ntawm koj lub plawv thiab txo koj txoj kev pheej hmoo ntawm arrhythmia.
Tsis tas li, cov calcium channel blockers ua dab tsi rau cov leeg pob txha? Calcium channel blockers yog: tsis zoo inotropes, zoo lusitropes (lub ntsiab lus lawv so lub plawv cov leeg /ua kom nws ua tau zoo dua), thiab tsis zoo dromotropes (lub ntsiab lus tias lawv ua qeeb qeeb los ntawm AV node). Calcium channel blockers thaiv conduction cell theem xoom.
Dhau li, puas yog calcium channel blockers vasodilators?
Calcium channel blockers tiv thaiv lossis txo qhov qhib ntawm cov no cov channel thiab yog li txo cov teebmeem no. Los ntawm kev ua ntawm cov leeg leeg leeg, lawv txo qis ntawm cov hlab ntsha thiab ua rau nce hauv txoj hlab ntshav, qhov tshwm sim hu ua vasodilation (CCBs tsis ua haujlwm ntawm cov leeg leeg leeg).
Cov tshuaj calcium channel blockers cuam tshuam rau myocardium li cas?
Calcium channel blockers (CWB) yog tshuaj uas khi rau thiab thaiv L-hom calcium channel . Los ntawm thaiv cov no cov channel , CWB ua peripheral arterial vasodilation thiab mob plawv kev nyuaj siab, uas ua rau rau poob ntshav siab thiab tsis zoo chronotropic, inotropic, thiab cuam tshuam dromotropic ntawm myocardium.
Pom zoo:
Agar yog dab tsi siv rau kev sim tshuaj tiv thaiv kab mob tiv thaiv kab mob?
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