Detection of blood vessel walls
The detection of the vessel wall is the time required for the bleeding to naturally stop after the skin is injured by specific conditions using the bleeding time (BT). Used to check platelet and vascular function. Basic Information Specialist classification: growth and development examination classification: blood examination Applicable gender: whether men and women apply fasting: fasting Tips: No special preparation is required. Normal value The bleeding time was 6.9 ± 2.1 minutes. Clinical significance Abnormal result Prolonged bleeding time is seen in: 1 significant reduction in platelets such as primary and secondary thrombocytopenic purpura. 2 platelet dysfunction such as thrombocytopenia, giant platelet syndrome. 3 abnormal capillary wall such as vitamin C deficiency, hereditary hemorrhagic telangiectasia. 4 Some clotting factors are severely deficient, such as von Willebrand's disease. People who need to be examined have umbilical cord bleeding, skin ecchymosis, nosebleeds, bleeding gums, trauma, surgery, and abnormal births that can cause severe bleeding. High results may be diseases: von Willebrand disease, superficial phlebitis, blood tumor considerations Inappropriate crowd: None. Inspection process A "standard" wound was created on the forearm skin with a disposable bleeding time tester (the adult incision is typically 5 mm long and 1 mm deep) and the time required for the natural stop of the bleeding was recorded. Not suitable for the crowd No taboos. Adverse reactions and risks Discomfort: There may be pain, swelling, tenderness, and visible subcutaneous ecchymosis at the puncture site.
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