Nitrates yog contraindicated nyob rau hauv hnyav aortic stenosis vim theoretical tseem tsis tau muaj pov thawj txaus ntshai ntawm precipitating profound hypotension.
Vim li cas vasodilators contraindicated hauv aortic stenosis?
Vasodilators raug suav hais tias yog contraindicated rau cov neeg mob uas muaj mob aortic stenosis vim kev txhawj xeeb tias lawv tuaj yeem ua rau muaj kev phom sij rau lub neej. Txawm li cas los xij, vasodilators xws li nitroprusside tuaj yeem txhim kho myocardial kev ua tau zoo yog tias peripheral vasoconstriction pab txhawb rau tom qab.
Cov tshuaj twg yuav tsum zam kom tsis txhob mob aortic stenosis?
Tus neeg mob uas muaj mob aortic stenosis yog qhov "tom qab kev txhim kho thiab ua ntej ua ntej" - lub ntsiab lus ntawm lub plawv tsis nce nrog kev txo qis tom qab. Yog li tag nrho afterload txo cov neeg ua haujlwm (angiotensin-hloov pauv enzyme inhibitors, calcium channel blockers, blockers) yog contraindicated.
Vim li cas ACE inhibitors yog contraindicated hauv aortic stenosis?
Muaj kev txhawj xeeb tshwj xeeb tias cov tshuaj vasodilators tuaj yeem ua rau txo qis ntawm coronary perfusion siab. Qhov tseeb, kev siv ACE-Inhibitors hauv aortic stenosis yog classical suav tias yog contraindicated (3).
Puas yog beta blockers contraindicated hauv aortic stenosis hnyav?
Kev kho mob ntshav siab nrog β-blockers feem ntau tau zamNyob rau hauv cov neeg mob uas muaj mob aortic stenosis (AS) vim muaj kev txhawj xeeb rau inducing sab laug ventricular dysfunctionthiab hemodynamic tsis txaus siab nyob rau hauv lub xub ntiag ntawm hnyav outflow tract obstruction.
