1) Cov hlab ntim ntshav, cov koob txhaj tshuaj thiab cov thawv ntim ntshav yuav tsum yog ua los ntawm cov iav silicified los yog cov khoom yas.
2) Tsis txhob npuaj koj lub hauv pliaj ua ntej sau ntshav.
3) Kev sau ntshav yuav tsum du, thiab lub raj thib ob yuav tsum tau siv rau kev kuaj hem agglutination.
4) Qhov piv ntawm sodium citrate rau ntshav yog 1: 9 (ua tib zoo saib HCT).Maj mam rov qab thiab sib tov zoo.
5) Cov qauv yuav tsum tshiab (2 teev nyob rau hauv chav tsev kub), thiab cov plasma yuav tsum khaws cia ntawm (- 70 ° C) thaum tso tub yees.Melt sai ntawm 37 ° C ua ntej kev sim.
6) Cov xwm txheej hauv lub cev: kev hloov pauv ntawm lub cev, kev noj zaub mov hloov pauv, ib puag ncig, kev noj tshuaj, kev tawm dag zog thiab kev coj khaub ncaws ua rau muaj kev ua haujlwm fibrinolytic, cov zaub mov muaj roj tuaj yeem ua rau cov ntshav lipid nce ntxiv thiab inhibits fibrinolytic kev ua haujlwm.Dab tsi ntxiv, kev haus luam yeeb tuaj yeem nce platelet aggregation, haus dej tuaj yeem inhibit qhov sib sau.Rau cov tshuaj tiv thaiv kab mob hauv qhov ncauj, nws tuaj yeem ua rau muaj kev ua haujlwm coagulation thiab txo cov haujlwm fibrinolytic.