![Lub mechanism ntawm kev txiav txim ntawm clonidine yog dab tsi? Lub mechanism ntawm kev txiav txim ntawm clonidine yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14012705-what-is-the-mechanism-of-action-of-clonidine-j.webp)
Video: Lub mechanism ntawm kev txiav txim ntawm clonidine yog dab tsi?
![Video: Lub mechanism ntawm kev txiav txim ntawm clonidine yog dab tsi? Video: Lub mechanism ntawm kev txiav txim ntawm clonidine yog dab tsi?](https://i.ytimg.com/vi/4O8-skLS_Oc/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Mechanism ntawm Action
Clonidine stimulates alpha -adrenoceptors nyob rau hauv lub paj hlwb qia. Qhov kev ua no ua rau txo qis kev xav tawm ntawm lub hauv nruab nrab paj hlwb thiab txo qis hauv peripheral tsis kam, lub raum vascular tsis kam, lub plawv dhia, thiab ntshav siab.
Ib yam li ntawd, lub sijhawm ua haujlwm ntawm clonidine yog dab tsi?
Ib tug sai thiab tam sim ntawd antihypertensive cov nyhuv tau txais hauv 30 txog 60 feeb nrog a cov nyhuv siab hauv 2 txog 4 teev. Cov lub sijhawm ua rau clonidine Txawm li cas los xij, yog qhov sib txawv thiab kav ntev li ntawm 6 txog 24 teev.
Tsis tas li, hom tshuaj twg yog clonidine? Clonidine yog nyob rau hauv ib chav kawm ntawm cov tshuaj hu ua centrally acting alpha-agonist cov neeg ua haujlwm hypotensive. Clonidine kho cov ntshav siab los ntawm kev txo koj lub plawv dhia thiab so cov hlab ntshav kom cov ntshav tuaj yeem yooj yim hla lub cev.
Hauv txoj kev no, cov receptors twg ua clonidine ua haujlwm?
Clonidine khi rau thiab txhawb nqa central alpha-2 adrenergic cov receptors , yog li txo tus nqi ntawm norepinephrine (NE) tso tawm thiab yog li txo qis kev txaus siab rau lub plawv, ob lub raum, thiab peripheral vasculature.
Yuav ua li cas yog lub mechanism ntawm kev txiav txim ntawm prazosin?
Mechanism ntawm kev nqis tes ua / nyhuv : Prazosin yog xaiv alpha 1-adrenergic thaiv tus neeg sawv cev. Cov alpha 1-adrenergic thaiv kev ua yog xav account feem ntau rau nws teebmeem . Prazosin ua vasodilation thiab txo cov peripheral tsis kam tab sis feem ntau muaj tsawg cov nyhuv ntawm cardiac output.
Pom zoo:
Dab tsi yog qhov txiaj ntsig ib txwm rau PaO 2 Dab tsi yog qhov txiaj ntsig rau kev txiav txim siab qhov hnyav ntawm hypoxemia?
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Zoo li feem ntau qhov kev kho mob ib txwm muaj txiaj ntsig thiab ntau yam, lub ntsiab lus tuaj yeem sib txawv me ntsis, tab sis feem ntau cov ntsiab lus hauv qab no siv: Ua rau me me hypoxemia: PaO2 = 60 txog 79 mmHg. Qhov nruab nrab hypoxemia: PaO2 = 40 txog 59 mmHg. Hypoxemia hnyav: PaO2 <40 mmHg
Lub tswv yim ntawm kev txiav txim siab ntawm glycosides hauv lub plawv yog dab tsi?
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Cardiac glycosides yog chav kawm ntawm cov organic sib txuas uas ua rau lub zog tawm ntawm lub plawv thiab nce nws qhov kev cog lus los ntawm kev ua haujlwm ntawm cellular sodium-potassium ATPase twj tso kua mis
Daim ntawv teev npe twg piav txog plaub qhov chaw uas tus kws kho mob yuav txiav txim siab siv plaub lub ntsiab lus mus rau kev txiav txim siab ncaj ncees?
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Nyob rau hauv lub moj khaum no, tag nrho cov teeb meem kev ncaj ncees raug tshuaj xyuas nyob rau hauv cov ntsiab lus ntawm plaub lub ntsiab lus: kev kho mob, kev nyiam ntawm tus neeg mob, lub neej zoo, thiab cov yam ntxwv ntawm cov ntsiab lus (piv txwv li, kev sib raug zoo, kev lag luam, kev cai lij choj, thiab kev tswj hwm)
Yuav ua li cas yog lub mechanism ntawm kev txiav txim ntawm amlodipine?
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Mechanism of action Amlodipine yog angioselective calcium channel blocker thiab inhibits kev txav ntawm calcium ions mus rau hauv vascular du leeg hlwb thiab cov leeg nqaij hlwb uas inhibits contraction ntawm cov leeg plawv thiab vascular du leeg hlwb
Lub mechanism ntawm kev txiav txim ntawm penicillins yog dab tsi?
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Penicillin tua cov kab mob los ntawm kev khi ntawm beta-lactam nplhaib rau DD-transpeptidase, txwv nws txoj haujlwm hla kev sib txuas thiab tiv thaiv kev tsim phab ntsa ntawm tes tshiab. Yog tsis muaj phab ntsa ntawm tes, cov kab mob ntawm cov kab mob muaj feem cuam tshuam rau sab nraum cov dej thiab lub zog molecular, thiab tuag sai