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Blood Tests 2
Common Coagulation Tests
Question | Answer |
---|---|
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 |