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Bleeding time



Blood clot test
Blood clot test


Bleeding time

Normal Values:

The bleeding stops within 1 to 9 minutes (what is considered normal varies from lab to lab, depending on how the test is measured).


What abnormal results mean:

Prolonged bleeding time may indicate:

  • A vascular (blood vessel) defect
  • A platelet function defect (see platelet aggregation)
  • Thrombocytopenia (low platelets)

Drugs that may increase bleeding times include dextran, indomethacin, and salicylates (including aspirin).

Additional conditions under which the test may be performed:




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