Kev pib ntawm kev kho beta-blocker thaum lub sijhawm ADHF yog contraindicated vim muaj qhov tsis zoo inotropic cuam tshuamTxawm li cas los xij, thaum cov neeg mob euvolemic nws muaj kev nyab xeeb pib koob tshuaj tsawg ua ntej tso tawm thiab Kev txhim kho cov txiaj ntsig tau raug tshaj tawm hauv cov neeg mob pib ntawm beta-blockers ua ntej tso tawm [17].
Puas beta blockers siv tau rau hauv lub plawv tsis ua hauj lwm?
Cov neeg laus uas muaj lub plawv tsis ua haujlwm vim sab laug ventricular systolic tsis ua haujlwm tau pib, lossis txuas ntxiv nrog, kho beta-blocker thaum lawv mus pw hauv tsev kho mob.
Puas beta blockers ua rau lub plawv tsis ua hauj lwm?
Pib beta blocker tuaj yeem ua rau lub plawv tsis ua haujlwm hnyav, yog li siv tshuaj tsawg. Rau cov neeg mob feem ntau koj tuaj yeem ceev faj pib nrog carvedilol 3.125 mg ob zaug ib hnub lossis metoprolol 12.5 mg ob zaug ib hnub. Cov neeg mob uas muaj lub plawv tsis ua hauj lwm hnyav yuav tsum tau pib tsuas yog noj thaum sawv ntxov.
Yuav ua li cas beta blockers ua rau lub plawv tsis ua haujlwm?
(Saib "Kev kho mob ntawm lub plawv tsis ua hauj lwm nrog txo qis ejection feem: Mechanisms of action", ntu ntawm 'Beta blockers'.) Increased peripheral vascular resistance, induced by nonselective beta blockers, kuj tuaj yeem ua rau txo qis hauv myocardial kev ua haujlwm hauv qhov chaw no.
Vim li cas beta blockers contraindicated hauv plawv tsis ua haujlwm?
Beta-blockers tau contraindicated nyob rau hauv CHF vim ntawm lawv cov intrinsic tsis zoo inotropic kev ua si, tab sis tam sim no tau pom tias muaj txiaj ntsig, ib feem vim lawv lub peev xwm los txhim kho rhiab heev rau kev ua siab ntev..
