1
WHAT IS HEMOSTASIS? The arrest of bleeding from an injured vessel by the physiological properties of vasoconstriction or coagulation or by surgical means. INTRODUCTION “Self-sealing” system to prevent excessive bleeding and potentially life threatening states. It consists of 4 stages- 1) Vasoconstriction 2)Primary Hemostasis 3)Secondary Hemostasis 4)Fibrinolysis VASOCONSTRICTION PRIMARY HEMOSTASIS SECONDARY HEMOSTASIS By- SK AZIZ IKBAL Final Year ( 2015- 16) FIBRINOLYSIS 3 1 2 4 PHYSIOLOGY OF HEMOSTASIS LABORATORY TESTS FOR SCREENING BT, Platelet count, Prothrombin Time, Partial Thromboplastin Time
