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  2. Bleeding time - Wikipedia

    en.wikipedia.org/wiki/Bleeding_time

    The time from when the incision is made until all bleeding has stopped is measured and is called the bleeding time. Every 30 seconds, filter paper or a paper towel is used to draw off the blood. The test is finished when bleeding has stopped. [6] A prolonged bleeding time may be a result from decreased number of thrombocytes or impaired blood ...

  3. Haemophilia - Wikipedia

    en.wikipedia.org/wiki/Haemophilia

    Easy and prolonged bleeding [1] Usual onset: At birth [2] Causes: Usually genetic [3] Diagnostic method: Blood test [4] Prevention: Preimplantation screening [4] Treatment: Replace missing blood clotting factors [3] Frequency: 1 in 7,500 males (haemophilia A), 1 in 40,000 males (haemophilia B) [2] [5]

  4. Bleeding diathesis - Wikipedia

    en.wikipedia.org/wiki/Bleeding_diathesis

    In medicine , bleeding diathesis is an unusual susceptibility to bleed mostly due to hypocoagulability (a condition of irregular and slow blood clotting), in turn caused by a coagulopathy (a defect in the system of coagulation).

  5. Hyperfibrinolysis - Wikipedia

    en.wikipedia.org/wiki/Hyperfibrinolysis

    The affected individuals show a hemophilia-like bleeding phenotype. Acquired hyperfibrinolysis is found in liver disease , [ 3 ] in patients with severe trauma , [ 4 ] during major surgical procedures, [ 5 ] and other conditions. [ 6 ]

  6. Factor XIII deficiency - Wikipedia

    en.wikipedia.org/wiki/Factor_XIII_deficiency

    Bleeding tendencies similar to hemophiliacs develop, such as hemarthroses and deep tissue bleeding. As Factor XIII is composed of two subunit protein, A and B, for which the genes are located on different chromosomes, administration of recombinant A subunit improves clot stability and is becoming a therapeutic option for patients with this ...

  7. Factor XII deficiency - Wikipedia

    en.wikipedia.org/wiki/Factor_xii_deficiency

    The condition is diagnosed by blood tests in the laboratory when it is noted that special blood clotting test are abnormal. Specifically Activated Partial Thromboplastin Time (aptt) is prolonged. [2] The diagnosis is confirmed by an assay detecting very low or absent FXII levels. [citation needed] The FXII (F12) gene is found on chromosome 5q33 ...

  8. Congenital afibrinogenemia - Wikipedia

    en.wikipedia.org/wiki/Congenital_afibrinogenemia

    Reptilase time; Thrombin time [8] Blood fibrinogen levels of less than 0.1 g/L and prolonged bleeding test times are indicators of an individual having afibrinogenemia. [2] A suspicion of congenital afibrinogenemia may appear on a platelet aggregation function test.

  9. Haemophilia A - Wikipedia

    en.wikipedia.org/wiki/Haemophilia_A

    Hemophilia A: Protein structure of coagulation factor VIII, of which its deficiency is the cause of haemophilia A. Specialty: Haematology: Symptoms: Prolonged bleeding from common injuries [1] Causes: Factor VIII deficiency [2] Diagnostic method: Bleeding time, [2] coagulation screen, genetic testing: Prevention: Hepatitis B vaccine should be ...

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