platelet and coagulation disorders

Laboratory findings in various platelet and coagulation disorders (V - T)

Condition	Prothrombin time	Partial thromboplastin time	Bleeding time	Platelet count
Vitamin K deficiency or warfarin	Prolonged	Normal or mildly prolonged	Unaffected	Unaffected
Disseminated intravascular coagulation	Prolonged	Prolonged	Prolonged	Decreased
Von Willebrand disease	Unaffected	Prolonged	Prolonged	Decreased and/or Rejected
Hemophilia	Unaffected	Prolonged	Unaffected	Unaffected
Aspirin	Unaffected	Unaffected	Prolonged	Unaffected
Thrombocytopenia	Unaffected	Unaffected	Prolonged	Decreased
Liver failure, early	Prolonged	Unaffected	Unaffected	Unaffected
Liver failure, end-stage	Prolonged	Prolonged	Prolonged	Decreased
Uremia	Unaffected	Unaffected	Prolonged	Unaffected
Congenital afibrinogenemia	Prolonged	Prolonged	Prolonged	Unaffected
Factor V deficiency	Prolonged	Prolonged	Unaffected	Unaffected
Factor X deficiency as seen inamyloid purpura	Prolonged	Prolonged	Unaffected	Unaffected
Glanzmann's thrombasthenia	Unaffected	Unaffected	Prolonged	Unaffected
Bernard-Soulier syndrome	Unaffected	Unaffected	Prolonged	Decreased or unaffected
Factor XII deficiency	Unaffected	Prolonged	Unaffected	Unaffected