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The duration of bleeding normal

Definition bleeding time is a laboratory test that is assigned to assess the function of platelets and the ability of the body to blood clotting. The test is to puncture a small area of the skin and counting the time required to stop bleeding (this moment is the appearance of the dried scabs on the wound). The blood of a healthy person usually stops for 7-9 minutes, and children for 10-13 minutes.

In some cases, prescribed the test?

As platelets are a major factor in primary hemostasis, the test results at the time of bleeding directly specify the functionality of blood cells. So this analysis is administered to patients with suspected disorders of coagulation or thrombocytopenia. Also cuts in the skin can do as a screening test in an outpatient setting. This is usually done in small clinics and dispensaries that do not have his laboratory. Is this analysis conducted prior to invasive procedures for patients with suspected hemorrhagic disorder to determine the probability that there will be prolonged bleeding.

  • the disease von Willebrand;
  • thrombasthenia Glanzmann;
  • syndrome Bernard-Soulier;
  • connective tissue disease (a syndrome of Ehlers-Danlos syndrome Wiskott-Aldrich syndrome Chediak-Higashi, hereditary hemorrhagic telangiectasia).

Among the acquired causes abnormally long bleeding time, the most common are the following:

  • long-term use of drugs, especially aspirin, nonsteroidal anti-inflammatory drugs, antibiotics, anticoagulants, tricyclic antidepressants, neuroleptics;
  • a deficiency of vitamin C;
  • frequent alcohol intoxication;
  • uremia;
  • liver failure;
  • leukemia;
  • myelodysplastic syndrome;
  • amyloidosis.