Dab tsi yog hom sib txawv ntawm Hb ib txwm hauv cov neeg laus?

Video: Dab tsi yog hom sib txawv ntawm Hb ib txwm hauv cov neeg laus?

2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44

Muaj ob peb ntau hom ntawm globin chains, npe alpha, beta, delta, thiab gamma. Hom qub hemoglobin suav nrog: Hemoglobin A ( Hb A): ua txog li 95% -98% ntawm hemoglobin cov pom hauv cov laus ; nws muaj ob txoj kev sib tw alpha (α) thiab ob beta (β) cov protein sib txuas.

Hauv qhov no, dab tsi yog hom qub hemoglobin?

Ib txhia normal hemoglobin yam yog; Hemoglobin A ( Hb A), uas yog 95-98% ntawm hemoglobin cov pom hauv cov neeg laus, Hemoglobin A2 ( Hb A2), uas yog 2-3% ntawm hemoglobin cov pom hauv cov neeg laus, thiab Hemoglobin F ( Hb F), uas pom hauv cov neeg laus txog 2.5% thiab yog thawj qhov hemoglobin cov uas yog tsim los ntawm tus menyuam hauv plab thaum cev xeeb tub.

Ib yam nkaus, vim li cas tus me nyuam hauv plab thiaj li muaj ntau hom Hemoglobin? Muaj nuj nqi, cev xeeb tub hemoglobin sib txawv feem ntau los ntawm cov neeg laus hemoglobin hauv qhov uas nws muaj peev xwm khi cov pa nrog kev sib raug zoo ntau dua li daim ntawv neeg laus, muab kev txhim kho cev xeeb tub nkag tau oxygen ntau dua los ntawm leej niam cov ntshav.

Tsis tas li ntawd, muaj pes tsawg hom Hemoglobin?

Plaub sib txawv hemoglobin hom kab mob feem ntau lees paub: oxyhemoglobin (oxy- Hb ), deoxyhemoglobin (deoxy- Hb ), methemoglobin (tau- Hb ), thiab hemichromes, uas nws cov qauv tshwm hauv qab no. Ua raws qhov kev hloov pauv hloov pauv no methemoglobin thiab hemichromes tau nkag mus rau hauv ntau qhov me me.

Qib twg ntawm hemoglobin qis txaus ntshai?

Yog tias nws hnyav dua thiab ua rau muaj tsos mob, koj tsawg hemoglobin suav yuav qhia tau tias koj muaj ntshav tsis txaus. A tsawg hemoglobin suav feem ntau txhais tau tias tsawg dua 13.5 grams hemoglobin cov ib deciliter (135 grams ib litre) ntawm cov ntshav rau cov txiv neej thiab tsawg dua 12 grams ib deciliter (120 grams ib liter) rau cov poj niam.

Pom zoo:

Dab tsi yog qhov sib txawv ntawm txoj hauv kev sab hauv thiab sab hauv ntawm cov ntshav khov?

Txoj hauv kev hauv tsev xav tau tsuas yog cov khoom sib txuam pom hauv cov ntshav nws tus kheej - tshwj xeeb, cov ntshav khov XII (Hageman factor) los ntawm cov platelets. Txoj hauv kev txuas ntxiv yog pib los ntawm yam sab nraud rau cov ntshav, hauv cov ntaub so ntswg uas nyob ib sab rau cov hlab ntshav puas

Dab tsi yog qhov sib txawv ntawm cov chaw tu neeg laus thiab kev saib xyuas subacute?

Kev saib xyuas subacute tau muab rau ntawm cov neeg mob hauv tsev rau cov tib neeg xav tau kev pabcuam uas hnyav dua li cov uas tau txais hauv cov chaw tu neeg laus tab sis tsis mob siab dua li kev saib xyuas mob hnyav. Cov chav subacute zoo li yuav nyob hauv cov tsev kho mob uas muaj txuj ci lossis ntawm cov chaw saib xyuas neeg mob

Dab tsi yog qhov sib txawv ntawm cov ntaub so ntswg sib txuas tsis tu ncua thiab cov ntaub so ntswg sib txuas tsis sib xws?

Cov ntaub so ntswg sib txuas tsis sib thooj muaj cov fibers uas tsis tau sib dhos ua ke zoo ib yam li cov ntaub so ntswg sib txuas ib ntus. Cov ntaub so ntswg sib txuas tsis sib thooj muaj feem ntau ntawm cov fibers collagen. Nws muaj cov khoom hauv av tsawg dua li cov ntaub so ntswg sib txuas

Yam twg ntawm cov hauv qab no yog daim ntawv feem ntau ntawm cov leeg nqaij hauv cov neeg laus?

Myotonic (tseem hu ua MMD lossis Steinert's disease). Feem ntau ntawm cov leeg nqaij dystrophy hauv cov neeg laus, myotonic musculoskeletal dystrophy cuam tshuam rau txiv neej thiab poj niam, thiab nws feem ntau tshwm sim txhua lub sijhawm txij thaum menyuam yaus txog rau neeg laus