血常规的儿科临床实践教学中的解读(原创)

《血常规的儿科临床实践教学中的解读(原创)》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、DingZhouzhiDepartmentofPediatricsBengbuMedicalCollege血常规在儿科临床实践教学中的解读CBC……BloodRoutineRedBloodCell……RBCHemoglubin……HbRedbloodcellindices:MCV,MCH,MCHCHematocrit……HCTReticulocyte……RetWhiteBloodCell……WBC,leukocyteWhitebloodcelltypes……WBCdifferentialNeutrophils,Lymphocytes,Monocyt

2、es,Eosinophils,andBasophilsPlatelet(thrombocyte)……PLT,BPCMeanplateletvolume……MPV6/23/20212儿科学教研室.临床实践教学WhyItIsDoneFindthecauseofsymptomssuchasfatigue,weakness,fever,bruising,orweightloss.Checkforanemia.Seehowmuchbloodhasbeenlostifthereisbleeding.Diagnose polycythemiaorCheckforani

3、nfection.Diagnosediseasesoftheblood,suchasleukemia.Checkhowthebodyisdealingwithsometypesofdrugor radiationtreatment.Checkhowabnormalbleedingisaffectingthebloodcellsandcounts.Screenforhighandlowvaluesbeforeasurgery.Seeiftherearetoomanyortoofewofcertaintypesofcells.Thismayhelpfindot

4、herconditions,suchastoomanyeosinophilsmaymeanan allergy or asthma ispresent.6/23/20213儿科学教研室.临床实践教学RBC&Hb正常值随着年龄的变化而变化。6/23/20214Redbloodcell(RBC)countMen4.5–5.5millionRBCs/mcLor4.5–5.5×1012/LWomen4.0–5.0millionRBCs/mcLor4.0–5.0×1012/LChildren3.8–6.0millionRBCs/mcLor3.8–6.0×1012/L

5、Newborn4.1–6.1millionRBCs/mcLor4.1–6.1×1012/L6/23/20214儿科学教研室.临床实践教学RBC&Hb正常值随着年龄的变化而变化。6/23/2021Hematocrit(HCT)Men42%–52%or0.42–0.52volumefractionWomen36%–48%or0.36–0.48volumefractionChildren29%–59%or0.29–0.59volumefractionNewborn44%–64%or0.44–0.64volumefraction6/23/20215儿科学教研室.临

6、床实践教学RBC&Hb6/23/20216Hemoglobin(Hgb)Men14–17.4 gramsperdeciliter(g/dL) or140–174 gramsperliter(g/L)Women12–16g/dLor120–160g/LChildren9.5–20.5g/dLor95–205g/LNewborn14.5–24.5g/dLor145–245g/L6/23/20216儿科学教研室.临床实践教学6/23/20217生后红细胞计数变化6/23/20217儿科学教研室.临床实践教学6/23/20218生后Hb的变化Thechangeo

7、fthelevelofpostnatalhemoglobin回目录26/23/20218儿科学教研室.临床实践教学红细胞增多症红细胞数目、血红蛋白、红细胞压积和血液总容量显著地超过正常水平。新生儿期RBC≥7.0×109/L，Hb≥220g/L。儿童时期RBC≥5.0×109/L，Hb≥180g/L(16g/dl)，红细胞压积大于55%和每公斤体重红细胞容量绝对值超过35ml，排除因急性脱水或烧伤等所致的血液浓缩而发生的相对性红细胞增多，即可诊断。原发性的即真性红细胞增多症继发性的主要是由组织缺氧所引起的。6/23/202196/23/20219儿科学教研

8、室.临床实践教学6/23/202110最低标准Hbminimums