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Blood Tests 2

Common Coagulation Tests

QuestionAnswer
Activated Partial Thromboplastin Time Prolonged times may indicate stage one defects; values reflect adequacy of heparin therapy
Bleeding Time (BT) Increased BT indicates hemorrhagic disorders associated with decreased platelet activity and lack of elasticity of capillary walls
D Dimer Test Evaluates thrombin and plasmin activity and is very useful in testing for disseminated intravascular coagulation (DIC) and used in monitoring thrombolytic therapy
Fibrin Degradation Products (FDP) High levels result in FDP fragments that interfere with platelet function and clotting
Fibrinogen Fibrinogen deficiency suggests hemorrhagic disorders and is used most frequently in obstetrics
Prothrombin Time (PT) Prolonged times may indicate stage two and three defects; values used to monitor warfarin therapy
Created by: kmaresco