Hemoglobin vs Hematocrit
Hemoglobin yog cov protein uas muaj nyob rau hauv cov qe ntshav liab ntawm yuav luag txhua tus vertebrates. Hematocrit, ntawm qhov tod tes, yog kev ntsuas ntsig txog tag nrho cov ntshav suav. Ob qho no yog siv los kuaj mob ntshav qab zib thiab yog li yuam kev ua tib yam nquag.
Hemoglobin
Hemoglobin yog ib qho metallo-protein uas muaj pawg heme thiab globin proteins. Heme pawg muaj cov hlau thiab muaj peev xwm ua tau khi rau oxygen nrog kev sib raug zoo zoo. Hemoglobin yog cim los ntawm Hb. Nws muaj nyob rau hauv vertebrates thiab ib co invertebrates. Kev ua haujlwm ntawm hemoglobin feem ntau yog thauj cov pa oxygen los ntawm lub ntsws (lossis gills) mus rau lwm cov ntaub so ntswg li oxyhemoglobin, siv rau hauv kev ua pa ntawm tes. Los ntawm cov ntaub so ntswg, carbon dioxide raug thauj rov qab mus rau lub ntsws li carboxyhemoglobin.
Hemoglobin kuj muaj peev xwm thauj nitric oxide molecules; ib tug tseem ceeb neeg uas ua ntawv nyob rau hauv cell signaling txheej txheem. Hemoglobin yog lub luag haujlwm rau cov xim liab ntawm cov qe ntshav liab. Nws kuj tseem muaj nyob hauv qee cov neurons, macrophages, alveolar cells thiab lwm yam, tab sis cov haujlwm txawv ntawm hemoglobin tam sim no hauv cov qe ntshav liab. Ib qho haujlwm zoo li no ua haujlwm ua antioxidant hauv cov hlau metabolism. Hauv cov tsiaj txhu, hemoglobin ua rau 97% ntawm qhov hnyav qhuav ntawm cov qe ntshav liab thiab txog li 35% ntawm qhov hnyav ntub. Kev muaj hemoglobin hauv cov ntshav tau nce ntshav lub peev xwm thauj oxygen los ntawm xya caum npaug thaum piv rau cov pa oxygen tsuas yog yaj hauv cov ntshav. Thaum cov ntshav liab suav poob qis nws yog ib qho qhia rau qib qis ntawm cov qe ntshav liab lossis heme tsim tawm uas ua rau muaj ntshav tsis txaus, thiab cov tsos mob nquag nquag yog qaug zog, tsis muaj kev xav, tsis muaj zog tsis txaus ntseeg. Muaj cov hemoglobin tsawg heev tuaj yeem ua rau tuag taus vim muaj cov pa oxygen tsawg rau cov ntaub so ntswg.
YHematocrit
Hematocrit abbreviated li HCT lossis Ht tseem hu ua erythrocyte ntim feem (EVF) lossis ntim ntawm tes ntim (PCV). Qhov nws ntsuas yog qhov feem pua ntawm cov qe ntshav liab hauv cov ntshav. Cov suav feem ntau yog 45% rau cov txiv neej thiab 40% poj niam. Hemoglobin suav tau yog ib feem ntawm hematocrit. Nws tau pom tias hematocrit yog ywj siab ntawm lub cev loj hauv cov tsiaj.
Muaj ntau txoj hauv kev los txiav txim siab hematocrit. Txoj kev classical yog centrifuging heparinized ntshav thiab cais cov ntshav mus rau hauv cov txheej txheem sib txawv thiab suav cov ntim feem pua ntawm cov txheej txheem siab. Txoj kev niaj hnub no yog siv lub tshuab ntsuas automated. Hauv ib tus neeg mob uas tsis muaj ntshav liab ntxiv cov tshuaj hematocrit tuaj yeem ua rau siab. Nyob rau hauv tus neeg mob uas muaj saline muab hematocrit tsawg vim yog dilution ntawm cov ntshav. High hematocrit yog ib qho cim ntawm dengue shock syndrome. Hematocrit thiab qib hemoglobin hloov pauv mus rau ib leeg. Yog li ntawd, ib qho ntawm ob yog txaus los txiav txim siab anemia.
Qhov txawv ntawm hemoglobin thiab Hematocrit yog dab tsi?
• Hemoglobin yog protein tab sis hematocrit tsis yog protein; Nws yog kev ntsuas.
• Hemoglobin yog ib feem ntawm hematocrit vim hematocrit yog ib qho kev ntsuas ntawm tag nrho cov qe ntshav liab uas hemoglobin tsuas yog ib feem.
• Hemoglobin suav thiab hematocrit hloov ua ke. (Yog tias ib qho qis, lwm tus kuj qis thiab rov ua dua.)
