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Blood clotting tests are the tests used for diagnostics of the hemostasis system. Coagulometer is the medical laboratory analyzer used for testing of the hemostasis system. Modern coagulometers realize different methods of activation and observation of development of blood clots in blood or in blood plasm
They allow testing in the presence of therapeutic heparin concentrations and provide differential diagnostic information to support decisions in therapy. In numerous publications, the validity of the method is shown. Application of TEM at the point of care (POC) or in emergency laboratories is getting more and more popular.
The basic screen consists of: platelet count; bleeding time for platelet function; PR (prothrombin ratio) for the tissue factor pathway (extrinsic pathway)aPTT (Activated Partial Thromboplastin time) for the contact activation pathway (intrinsic pathway)
Thromboelastography (TEG) is a method of testing the efficiency of blood coagulation.It is a test mainly used in surgery and anesthesiology, although increasingly used in resuscitations in emergency departments, intensive care units, and labor and delivery suites.
A fourth method is known as Estimated Factor Correction (EFC). This method involves four steps. First, determine the most likely factor suspected to be deficient, based on PT, aPTT, and clinical history. Next, choose the appropriate curve — single factor deficiency, vitamin K-dependent factor deficient, or all factor-deficient.
Thrombodynamics test is a method for blood coagulation monitoring and anticoagulant control. This test is based on imitation of coagulation processes occurring in vivo, is sensitive both to pro- and anticoagulant changes in the hemostatic balance. Highly sensitive to thrombosis.
Coagulation, also known as clotting, is the process by which blood changes from a liquid to a gel, forming a blood clot.It results in hemostasis, the cessation of blood loss from a damaged vessel, followed by repair.
Coagulopathy (also called a bleeding disorder) is a condition in which the blood's ability to coagulate (form clots) is impaired. [1] This condition can cause a tendency toward prolonged or excessive bleeding (bleeding diathesis), which may occur spontaneously or following an injury or medical and dental procedures.