Page 332 - Clinical Hematology_ Theory _ Procedures ( PDFDrive )
P. 332

316            PART 4  ■  Erythrocyte Disorders




               Epidemiology                                                                                                T          m    z                                                k      . T

                                                                                                                                   x        ,                                          m                       -
               SCD              m         mm                            A                   -                              m                                           m   ,                                 m -

                  ,                                            M                    , C              ,                                                     k                   .

               S               C          Am          , A     ,        E     I                   -                              B                                               m                                 -

                  . T        k           carrier                                                                           m    m                                                                    ,    m

                   P.  alciparum m         ,                                          k                                                                  x                                        m

                                       z            . T                                                                           m           m                f

                  m                                                                                                                                                   . W                 k                    m

               m            m.                                                                                                                                  m               ,                 m         k

                    H    SC                                      m                          A                                                         m                    .  T

               Am                    ,          SC  β              m     (S  β              m   )                                                                                                                 k

                                 ,       A          Am                         . A             ,                                x        . T         k      x                    m          k              m

                              m         mm                                        U         S       .                                              x                            . T

                    SCD,           m  z              m     SCD,          m         mm                                                         .

                                   m                                                   m     .  M                               W           k                             x        ,                                    -

                           ,       Am                     SCD.                                                             m             . R                                 k                      k

                    T           x                                        SCD        m                                            RBC          m           m                 m        . T

                                                 . T   m                                       -                                   m        ,                              m   . I                ,

                                 SCD                       m                                   m    ,                                                                                                    .

                                                                            A          Am

                              . F    H   SC            ,      m                                                            Vasoocclusion

                            m                                  m    .                                                      T                             k                                                           -


                                                                                                                                    m m                                      vasoocclusion (F    .     .


               Pathophysiology                                                                                                        .  ). S   k                                                                    -
                                                                                                                           m                                      m                                                    -
               Sickling                                                                                                                              m                                                         .


               W       H   S          x               ,            m           m    z                                      T   m                            m                                                   -

                                  k      . S       q            m                                                                                                               k                         ,

                           x                             ’                         k   . T            -                                                                                    .

                           m  m              SCD                                m  m

                       m         ,              x                                   z               m                      Clinical Signs and Symptoms

                                                                                          m      . I     z

                       m           H   SS                      m   ,             m                                         A

                                           m              m      m                  z             m.                       m                                                      k      . A           m

                    P     m    z               H    S                                                                                         ,      k           k

                x   m                       x                                                                                    . T                         ,           m                m           m      -

                       . S   k              m                     x                   ,         H,                                                                                                     . O

                                 ,  -                               ,                                      -

                              m             ,                          , H   C,        H   O–

               A     . S   k                             H   A, H   F (                %), H   J,

                     α             m   .

                    W           k                 ,            q

               m                                m                                      (MCHC)

                                             m         m                              x

                      . D    x      m             S                                       x      m  -

                         A       x      m            S.

                    R           ,                                             m

               SCD                                  . I

                                                              m    z           x      m             S

                                                               m            m               m  -

                                                     m                                           . I

                                                     x                ,                  m

                                      .

                    T                                          m             m                m                            FIGURE 17.3  V                             k                      . (F   m B   k

                m                      m                     m                                                             AP,             P. Practical Cardiovascular Pathology, P                  , PA:

                     m                                                                   x                .                L               W      m  & W  k    ,         .)
   327   328   329   330   331   332   333   334   335   336   337