Video: Dab tsi ntxiv rau ntshav kom tsis txhob nws khov?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Anticoagulant. Anticoagulants, feem ntau hu ua ntshav thinners, yog cov tshuaj lom neeg uas tiv thaiv lossis txo qis coagulation ntawm ntshav , prolonging cov txhaws sij hawm Qee cov tshuaj tiv thaiv kab mob anticoagulants tau siv hauv cov cuab yeej siv kho mob, xws li cov raj kuaj, ntshav xa cov hnab, tshuab lub plawv-ntsws, thiab cov khoom siv lim ntshav.
Ntawm no, dab tsi tiv thaiv cov ntshav los ntawm kev txhaws?
Ntshav los ntshav , los yog coagulation , yog txheej txheem tseem ceeb uas tiv thaiv los ntshav ntau dhau thaum a ntshav lub nkoj raug mob. Platelets (ib hom ntshav cell) thiab cov protein nyob hauv koj cov ntshav (cov kua ib feem ntawm ntshav ) ua hauj lwm ua ke rau nres los ntshav los ntawm kev tsim a txhav dhau qhov raug mob.
Tsis tas li ntawd, dab tsi ntxiv los ua anticoagulant los khaws cov ntshav piv txwv? Grey-top tube (potassium oxalate/sodium fluoride) Lub raj no muaj cov tshuaj potassium oxalate ua anticoagulant thiab sodium fluoride ua cov tshuaj tiv thaiv - siv rau khaws cia tag nrho cov piam thaj ntshav thiab rau qee qhov kev xeem tshuaj tshwj xeeb.
Ua li no, dab tsi yog lub luag haujlwm rau ntshav khov?
Cov platelets yog lub luag haujlwm rau ntshav khov . Cov kua dej hauv nruab nrab uas nyob ib puag ncig cov cell yog cais los ntawm ntshav , tab sis hauv hemolymph, lawv tau ua ke. Hauv tib neeg, cov xov tooj ntawm tes ua kwv yees li 45 feem pua ntawm cov ntshav thiab cov ntshav ntshav 55 feem pua.
Yuav ua li cas heparin tiv thaiv kom tsis txhob ntshav khov?
Heparin inhibits cov tshuaj tiv thaiv uas ua rau txhaws ntawm ntshav thiab kev tsim cov fibrin txhaws ob leeg hauv vitro thiab hauv vivo. Me me ntawm heparin tshuaj ua ke nrog antithrombin III ( heparin tshuaj cofactor) tuaj yeem tiv thaiv thrombosis los ntawm kev ua kom tsis muaj zog ua haujlwm Factor X thiab txwv kev hloov pauv ntawm prothrombin rau thrombin.
Pom zoo:
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