Acquired platelet function defect

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Blood clot formation

Blood clots

Acquired qualitative platelet disorders; Acquired disorders of platelet function

• Nosebleeds
• Prolonged bleeding, bruising easily
• Bleeding under the skin or in the muscles (soft tissues)
• Abnormal vaginal bleeding
• Abnormal menstrual periods
  • Heavy menstrual periods (menorrhagia )
  • Prolonged menstrual bleeding (more than five days per menstrual period)
• Gastrointestinal bleeding
  • Vomiting blood or vomiting material that resembles coffee grounds
  • Bloody or dark black or tarry bowel movements (melena )
• Skin rash
  • Pinpoint red spots (petechiae )
  • Bruises (ecchymoses )
  • Multiple lesions
• Urine - abnormal color ( blood in the urine )

• Platelet aggregation test
• Prolonged bleeding time
• Normal, high, or low platelet count
• Normal PT and PTT results

Review Date: 04/15/2005
Reviewed By: Rita Nanda, MD, Department of Medicine, Section of Hematology/Oncology, University of Chicago Medical Center, Chicago, IL. Review provided by VeriMed Healthcare Network.