Video: Cov qe ntshav liab loj npaum li cas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ib tus neeg raug ntshav liab muaj disk inch ntawm kwv yees li 6.2–8.2 µm thiab tuab ntawm qhov tuab tshaj plaws ntawm 2–2.5 µm thiab qhov tsawg kawg nkaus tuab hauv nruab nrab ntawm 0.8–1 µm, ua me dua li lwm tus tib neeg hlwb.
Ua qhov no hauv kev txiav txim siab, qhov loj me ntawm cov qe ntshav liab yog dab tsi?
Li qub RBCs muaj txoj kab uas hla ntawm 6 - 8 Μm. On ib peripheral ntshav smear, li qub RBCs yog cov duab zoo ib yam nrog lub hauv paus daj daj-daj hu ua central pallor. Thaum txiav txim liab cell loj pe ib ntshav smear, txoj cai ib txwm ntawm tus ntiv tes xoo yog sib piv lawv rau hauv lub nucleus ntawm me me li qub cov lymphocyte.
Tom qab ntawd, lo lus nug yog, cov qe ntshav liab loj npaum li cas? Feem ntau, cov qe ntshav liab yog ntawm 80-100 fL Cov qe ntshav liab loj tshaj 100 fL yog suav tias yog macrocytic. Thaum lub hlwb loj hlob loj heev, muaj yog tsawg ntawm lawv tshaj qhov xav tau thiab lawv nqa tsawg hemoglobin. Qhov no txhais tau tias ntshav tsis zoo li cov pa oxygen zoo li nws yuav tsum yog.
Ib sab saum toj no, vim li cas qhov loj ntawm cov qe ntshav liab tseem ceeb?
Cov qe ntshav liab loj yog tseem ceeb rau kev ua raws ntshav platelets rau cov hlab ntsha subendothelium. Cov qe ntshav liab los ntawm cov menyuam yug tshiab (MCV 110-130 cu mu) ua rau muaj kev ua raws cov platelet ntau dua li ib txwm liab liab ntawm hematocrit 0.4. Cov txiaj ntsig no tau lees paub ntxiv nrog qhov loj cov qe ntshav liab los ntawm ob tus neeg mob.
Cov qe ntshav liab loj puas txaus ntshai?
Cov qe ntshav liab loj dua tshaj 100 fL yog suav tias yog macrocytic. Qhov no txhais tau tias ntshav tsis zoo li cov pa oxygen zoo li nws yuav tsum yog. Tsawg ntshav oxygen tuaj yeem ua rau muaj ntau yam tsos mob thiab teeb meem kev noj qab haus huv. Macrocytic anemia tsis yog ib tus kab mob nkaus xwb, tab sis yog cov tsos mob ntawm ob peb yam mob thiab teeb meem kev noj haus.
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