Diagnosis of Coagulation Disorders

Tests used to measure fibrinolysis include fibrin degradation products (FDB), fibrinogen, d-dimer (Table 3.3).

Table 3.2. Coagulation cascade

Table 3.3. Tests of coagulation

Test

Purpose

Prothrombin time (PT)

Activated partial prothrombin time (PTT)

Thrombin time (TT)

Template bleeding time (BT)

Extrinsic system Intrinsic system

Detect abnormalities in fibrinogen and anticoagulants Assess interaction between platelets; Usually related to platelet dysfunction

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