Discover how thromboelastography (TEG) assesses blood clotting ability, identifies abnormalities in the coagulation system, and aids in effective diagnosis and treatment of bleeding disorders. In this video, we explore the TEG procedure and how to interpret its results.
Thromboelastography Technique:
Learn about the TEG machine and the introduction of citrated blood into a sample cup. Understand how the machine measures key parameters of blood clotting, such as R-Time, K-Time, Alpha-Angle, MA, and LY30.
R-Time (Reaction Time):
Understand how the R-Time phase quantifies the duration required for blood to begin clotting after the introduction of a clotting activator. Discover how an extended R-Time may indicate clotting factor deficiencies or the presence of anticoagulants, and how to correct R-Time with fresh frozen plasma.
K-Time (Kinetical Time):
Find out how the K-Time parameter gauges the duration needed for the clot to reach a specific level of firmness and reflects the initial clot formation's speed. Discover how a prolonged K-Time may suggest a low fibrinogen level, and how to correct the deficiency with cryoprecipitates.
Alpha-Angle:
Learn how the Alpha-angle parameter evaluates the slope of the curve generated by the TEG machine and indicates the clot's strength. Understand how a reduced angle may imply hypofibrinogenemia, and how to administer cryoprecipitate to correct the deficiency.
MA (Maximum Amplitude):
Discover how the MA parameter measures the blood clot's strength and firmness, and how a decreased MA value may indicate thrombocytopenia or platelet dysfunction. Learn about potential treatments with platelet transfusion or desmopressin acetate.
LY30 (Lysis at 30 Minutes):
Understand how the LY30 parameter quantifies the percentage of clot breakdown occurring 30 minutes after reaching the maximum amplitude, and how it provides insights into the clot's ability to resist breakdown and the activity of fibrinolysis. Discover how an increased LY30 may suggest heightened fibrinolysis and how to treat it with tranexamic acid.
In Conclusion:
Gain a thorough understanding of the TEG procedure and how to analyze its results to detect abnormalities in the coagulation system, leading to effective diagnosis and treatment of bleeding disorders.
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