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Evaluation of bleeding disorders. A detailed history and laboratory tests provide clues
1Division of Hematology and Oncology, East Carolina University School of Medicine, Greenville, North Carolina 27858, USA.
A single, optimal screening laboratory test for hemostasis would evaluate vascular, platelet, coagulation, and fibrinolytic functions. Unfortunately, such a test does not exist. The key factor in determining the presence of a bleeding diathesis is obtaining a detailed patient history. Results of coagulation tests should always be interpreted in the context of such a history. Screening tests include platelet count, PTT, and PT. Subsequent investigations depend on the results of these tests.
A single, optimal screening laboratory test for hemostasis would evaluate vascular, platelet, coagulation, and fibrinolytic functions. Unfortunately, such a test does not exist. The key factor in determining the presence of a bleeding diathesis is obtaining a detailed patient history. Results of coagulation tests should always be interpreted in the context of such a history. Screening tests include platelet count, PTT, and PT. Subsequent investigations depend on the results of these tests.