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CHAPTER 10  ■  Basic Laboratory Assessment of Erythrocytes, Leukocytes, and Platelets                                             223







                        BOX  10.4






                     Formula for Leukocyte Count Correction*






                                                                                   L    k         C        ×



                                                                                                                       /
                                                         +  N  m          N              E                        L    k                            =  C             L    k         C

                        * I  m                                                         /                                        ,      × (      ×) m                   .

                             Example:




                                                                                                    .
                                                                                                         / L         ×        =           / L
                                                                                                        ×

                                                                                                                                     .
                                                                                                                                           ×


                                                                                                               +





                                          ,                                                      . C                                V                                                                                  -

                                                                      ( m                   k    )                                                    m                      k           (      B  x     .  ).

                        “        ,”                     m                         m                                                 P                                                           m

                                          .                                                                                                                m                       m


                   ■   T                                                                                                               m                  k                   .  T          m
                                                       m                                       m                                                                                        %              ;

                        m                         m                                               . I  m                                                 m                          m                 . A           -

                                                                                                                                                                                   %                                    -

                                                ,                                                 m                                                         mm                        . T         m

                                            (      B  x     .  ). S  m          m                                                        m                                   %                 x m           %

                                               z                                                     -                         m              .

                                                      .


                                                                                                                               Shift to the Left


                        BOX  10.5
                                                                                                                               W                                                 m                   mm               -

                                                                                                                                                       m     m                       m                              ,


                     Disorders Associated w ith Increases in                                                                                               m    m                            shif  to the lef .

                     Distribution of normal types of leukocytes                                                                T        m           ,                       ,                k
                                                                                                                                                                                            m            mm

                     NEUTROPHILS                                                                                                                                                                .

                      .  B                                                                                                          S  m                                                                                   -

                      .  I      mm                                                                                                                     m                  k

                      .  S

                      .  C                k  m                                                                                   m                       .  T     C            L                  S

                                                                                                                               I                   mm
                     LYMPHOCYTES                                                                                                                                                                                             -

                      .  V                                                                                                                                                                                                     -

                      .  W                                                                                                                                         m                      .

                      .  C                k  m


                     MONOCYTES

                      .                                                                                                          NOTE: This is a good time to complete the end of chapter

                      .  R      m                                                                                                Review Questions related to the preceding content.

                      .  F                k



                     EOSINOPHILS                                                                                               CHAP  ER HIGHLIGH  S

                      .  A

                      .  I                                                                                                     The Complete Blood Count (CBC)


                     BASOPHILS                                                                                                 ■   A CBC                              m          m               m            ,

                      .  U                                                                                                             m          ,                                                ,                      ,

                      .  H                m                                                                                              k

                                                                                                                                     m                          m        .
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