Vim li cas ntuav nce bicarbonate?
Vim li cas ntuav nce bicarbonate?

Video: Vim li cas ntuav nce bicarbonate?

Video: Vim li cas ntuav nce bicarbonate?
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Hydrogen poob tuaj yeem tshwm sim los ntawm txoj hnyuv lossis hauv cov zis. Nyob ntawm xub ntiag ntawm ntuav thiab aspiration ntawm gastric ntsiab lus, ib txwm stimulus rau zus tau tej cov bicarbonate hmoov yog tshem tawm uas tig mus rau nce qib ntawm bicarbonate hauv cov ntshav thiab yog li ua rau cov txheej txheem metabolic alkalosis.

Raws li txoj cai, vim li cas ntuav ua rau metabolic alkalosis?

Ntuav los yog nasogastric (NG) suction generates metabolic alkalosis los ntawm kev poob ntawm gastric secretions, uas yog nplua nuj nyob rau hauv hydrochloric acid (HCl). Raws li cov channel no reabsorbs sodium ions, tubular lumen ua qhov tsis zoo, ua rau lub zais ntawm hydrogen ions thiab potassium ions rau hauv lumen.

Tsis tas li ntawd, koj yuav kho cov kab mob metabolic alkalosis li cas? Metabolic alkalosis raug kho nrog aldosterone antagonist spironolactone lossis nrog lwm yam tshuaj potassium-sparing diuretics (piv txwv li, amiloride, triamterene). Yog tias qhov ua rau thawj hyperaldosteronism yog adrenal adenoma lossis carcinoma, kev phais yuav tsum tshem tawm cov qog. tseeb cov alkalosis.

Tsis tas li ntawd, vim li cas bicarbonate yuav siab?

A siab qib of bicarbonate hmoov hauv koj cov ntshav ua tau yog los ntawm metabolic alkalosis, ib yam mob uas ua rau nce pH hauv cov nqaij. Metabolic alkalosis ua tau tshwm sim los ntawm kev poob cov kua qaub los ntawm koj lub cev, xws li los ntawm ntuav thiab lub cev qhuav dej.

Yuav ua li cas ntuav ua rau mob hypochloremia?

Hypochloremia feem ntau yog ua los ntawm kev siv ntau lub voj diuretics, nasogastric suction, los yog ntuav . ntuav ua rau poob ntawm hydrochloric acid. Thaum nyob ntawm ECF qhov ntim qis, muaj kev nce ntxiv hauv Na thiab resorption hauv lub raum, uas pab tswj hwm alkalosis.

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