LESSON 4 医学检验专业英语.ppt

Lesson4BLOODGROUPING,Words,Prenatal产前的；胎儿期的Pretransfusion输血前Discrepancy不一致；矛盾；差异Monoclonal单克隆的Agglutination凝集；凝集反应Agitation搅拌；搅动,Words,Polyclonalantisera多克隆抗血清Salineagglutinating生理盐水凝集Antiglobulin抗球蛋白blendwith混合；融入compatibilitytesting配合性试验，交叉配合实验,Anti-A,Bcanbeomittedintestingpretransfusioncandidatesformistakenidentityinaweak-subgroupofAwillnothaveadverseconsequencessince“O”RBCswouldbeusedfortransfusiontoanAsub-groupindividualand“B”RBCsfortransfusiontoAsubBinsividuals.,在输血时，O型RBCs可以输给A亚型的个体，B型RBCs可以输给AB型A亚型的个体，所以对于一个A亚型的输血前病人来说，即使对他进行了错误的定型也不会产生严重的后果，因此，在定型过程中，抗A，B抗体的检测可以省略。,Withthewidespreaduseofthishigh-proteinanti-D(HP-D)camereportsofspontaneousagglutinationofRhnegativeRBCscoatedwithimmunoglobulin.,随着这种HP-D试剂的广泛应用，人们发现被免疫球蛋白包裹的Rh阴性的RBCs会发生自发凝集现象。,SincespontaneousagglutinationofIgG-sensitizedcellsintheimmediatespinphaseoftestingwithHP-Disnotusuallyexperiencedwiththesereagents,thetestingofanRhcontroltubeinparallelwiththeanti-seratubeisnotrequiredbyregulatoryagenciesprovidedacontrolsystemisrunconcurrentlywithtyping.ABOtypingservedasacontrol.,由于使用这些试剂时，不会出现对IgG敏感的细胞发生自发凝集现象，这种凝集现象在使用HP-D试剂的离心阶段会出现。这使得在常规的实验中不需要设置平行的Rh对照管，取而代之的是同时进行ABO血型定型。,IndividualsotherthangroupABwhosecellsdonotreactwithbothanti-Aandanti-BcanbeconsideredtohavetypedappropriatelywithCN-DasRhpositive.,除AB血型外，其他血型均不能同时与抗A,抗B发生反应，在使用CM-D试剂进行检测时，这些血型可确定为Rh阳性。,occasionally,itmaybedesirabletodetermineapatientsphenotypeofthemostcommonantigenstowhichclinicallysignificantantibodiesareproducedpriortoinitiatinglong-termtransfusiontherapyoriftherecipientisalreadydeemeda