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Bleeding Disorder
Aka: Bleeding Disorder, Bleeding Diathesis
See AlsoClotting Pathway
CausesCoagulation DisorderSee Coagulation Bleeding Disorders See Coagulopathy in Pregnancy Platelet DisordersSee Platelet Bleeding Disorder s See Thrombocytopenia See Drug Induced Platelet Dysfunction Vascular DisordersSee Blood Vessel Wall Bleeding Disorders
Signs: Abnormal Bleeding (multiple sites)NasopharynxEpistaxis Bleeding gums GastrointestinalHematemesis Melana GynecologicMenorrhagia Postpartum Hemorrhage MusculoskeletalMuscle hematomas Hemarthrosis SkinPurpura Petechiae TraumaExcessive bleeding from minor wounds Excessive bleeding following surgery or dental procedures Intracerebral bleeding event
Labs: InitialComplete Blood Count with plateletsPeripheral blood smear ProTime (PT) with INRPartial Thromboplastin Time (PTT)
Labs: Based on initial testingNormal PT, PTT, and Platelet Count /morphologyObtain Platelet Function Closure Time (PFCT , Platelet Function Analyzer -100) PFCT Aggregation occurs with collagen/Epinephrine membrane onlyDrug Induced Platelet Dysfunction PFCT Aggregation occurs with both membranes (Epinephrine and ADP)Von Willebrand's Disease Partial Thromboblastin Time (PTT) abnormalityPTT corrects with a PTT Mixing Study (mixed with normal blood)Obtain Factor VIII, Factor IX, and Factor XI assays Consider Von Willebrand's testing if low Factor VIII PTT does not correct with a PTT Mixing Study (mixed with normal blood)Obtain Lupus Anticoagulant Obtain Factor VIII Inhibitor ProTime (PT) or INR abnormalPT/INR corrects with Vitamin K SupplementationReplace Vitamin K as needed Assess for malnutrition and malabsorption causes of Vitamin K Deficiency PT/INR does not correct with Vitamin K SupplementationObtain Factor VII assay ProTime (PT/INR) and Partial Thromboplastin Time AbnormalComorbid advanced liver disease Disseminated Intravascular Coagulation (DIC)Anticoagulant use (Warfarin or Heparin ) Platelet abnormalitySee Platelet Bleeding Disorder s See Drug Induced Platelet Dysfunction See Thrombocytopenia
ReferencesAllen (2002) Pediatr Clin North Am 49: 1239-56 Ballas (2008) Am Fam Physician 77:1117-24