Page 75 - Color Atlas Of Pathophysiology (S Silbernagl Et Al, Thieme 2000)
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E.  Inhibition of Blood Clotting System
              Heparin    Exogenous       Endogenous
                          activation      activation
                             2+
                         PL–Ca –VIIa           XI
                                        XIIa
                                                 IX
                                        XIa                     Protein S
                             X       PL–Ca – IXa–VIIIa
           Antithrombin III                                     Protein Ca
                                         2+


                                                    Negative
                           2+
                       PL–Ca –Xa–Va     V           feed-back
                   Prothrombin           Thrombin                      Hemostasis III
                                                  Thrombomodulin

                       α 2  macroglobulin
                       α 1  antitrypsin                         Protein C
                                     Fibrinopeptides  Fibrin           Plate 3.19
         F.  Causes of  Thrombocytic and Vascular Bleeding Tendency
                                       Fibrinogen  IIIa  3  Defects of storage
                                                    and secretion
            2  IIb/IIIa reduced   IIb

                                                  Thromboxan synthetase and
                                                  cyclooxygenase deficiency
            Aggregation                      ADP          Storage pool
            Adhesion                                      deficiency
         Glanzmann-Naegeli
          thrombasthenia                          Endothelium
                                                      Extracellular
                            Thrombo-                    matrix
                             cytes
       1                                 Endothelial defect
         Ib reduced
                                    IIIa              IIIa        (mod. after Heimpel et al.)
                  Ib IX          IIb                IIb
                    vWF             vWF             Fibronectin
                            4
                         vWF reduced
         Adhesion                                           Causes:
                                                            thrombocytic
          Bernard-Soulier
            syndrome       Thrombocyte adhesion             vascular
                           F VIII deficiency  v. Willebrand’s         65
                                             disease        various
       Silbernagl/Lang, Color Atlas of Pathophysiology © 2000 Thieme
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