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 HEMOSTASISSECONDARY HEMOSTASIS

By- SK AZIZ IKBALFinal Year ( 2015-16)

FIBRINOLYSIS

3

1

2

4

PHYSIOLOGY OF HEMOSTASIS

LABORATORY TESTS FOR SCREENINGBT, Platelet count, Prothrombin Time, Partial Thromboplastin

Time