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Blood clots

Overview Symptoms Treatment Prevention

Hemophilia A

Symptoms: Bruising Spontaneous bleeding Bleeding into joints and associated pain and swelling Gastrointestinal tract and urinary tract hemorrhage Blood in the urine or stool Prolonged bleeding from cuts, tooth extraction, and surgery Signs and tests: Many blood clotting tests are performed if the person tested is the first one in the family to have a bleeding disorder. Once the defect has been identified, other family members will need less testing to diagnose the disorder. Tests include: Prolonged PTT Normal prothrombin time Normal bleeding time Normal fibrinogen level Low serum factor VIII activity

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