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Red Blood Cell Indices. Red blood cell indices :are measurement that describe the size and oxygen carrying protein (HB) content of red blood cells. The.

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Presentation on theme: "Red Blood Cell Indices. Red blood cell indices :are measurement that describe the size and oxygen carrying protein (HB) content of red blood cells. The."— Presentation transcript:

1 Red Blood Cell Indices

2 Red blood cell indices :are measurement that describe the size and oxygen carrying protein (HB) content of red blood cells. The indices are used to help in the differential diagnosis of anemia.

3 The MCV is the average volume of the RBC in femtoliters MCV = HCT *10/RBC count Cells of normal size (MCV is 80-100 fl) are called Normocytic smaller cells are Microcytic and larger called are Macrocytic

4 The MCH is the average weight of Hb in an RBC,units is picograms MCH =Hb *10/RBC count The normal range for adults is (28-32 pg ) The MCH is not generally considered in the classification of anemia

5 The MCHC is the average concentration of Hb in,each individual erythrocyte,the units are g/dl MCHC=Hb *100/Hct Values of Normochromic cells range from 32 to 37 g/dl,those hypochromic cells are less than 32g/dl,and those of hyperchromic cells greater than 37g/dl

6  Because there is aphysical limit the amount of Hb that can fit in cell there is no hyperchromic category,

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