文稿2014年8月28七年制cai新.pptxVIP

Department of Laboratory diagnosis Huanglijuan 2013新版本科生教案/千山暮雪.mp4同学们请看一段画面 Composition of blood Plasma（55%）AnticoagulantsWBC、PLTHematocyteRBCSecond chapterClinical hematology examination First General examination of bloodCollection of specimenVenipuncture specimen: Syringe CollectionVacuum Collection tube AnticoagulantsThe blood should be collected into a tube containing an anticoagulant and thoroughly mixed. The choice of anticoagulants for hematologic studies: EDTABlood cell counting The process of performing a basic hematologic analysis of peripheral blood involves four primary steps: 1.collection and processing of the peripheral blood sample 2.determination of the CBC:RBC,WBC,PLT. 3.determination of the differential WBC 4.blood film examinationParameter of red blood cellParameter of red blood cell （RBC）including determination of RBC，Hemoglobin（Hb），Hematocrit （Ht）， MCV, MCHC, MCH and RDW ErythropoiesisEpoEpoEpoErythropoietin,EPOEpoFeature and function of RBC1.Number of red blood cells are more2.RBC posses feature of deformability3.RBC are used as respiratory carrier4.RBC running in blood circulation about 150 km 5.erythrocyte life span is about 120 day6.RBC are abundantly destroyed—HemolysisExceed marrow compensation ability——Hemolytic anemiaDestruction of senile RBCMononuclear-macrophage system RBC count and Hb detecting (emphasis) Reference interval of RBC count and Hb RBC HbAdult male4. 0~5. 5x1012/L 120~160g/L Adult female3. 5~5. 0x1012/L 110~150g/L At birth 6. 0~7. 0x1012/L 170~200g/L Clinical significance of RBC and HbDecreased RBC and Hb Increased RBC and Hb Increased RBC and HbAdult male : RBC6.0x1012/L Hb170g/LAdult female :RBC5.5x1012/L Hb160g/LAbsolute increaseRelative increaseRelative increase Absolute increaseErythrocytosisSecondary erythrocytosisPrimary erythrocytosisSecondary erythrocytosisEpoEpoEpoEpoEpo compensatory increaseEpo imcompensator