S. Sallah et G. Kato, EVALUATION OF BLEEDING DISORDERS - A DETAILED HISTORY AND LABORATORY TESTS PROVIDE CLUES, Postgraduate medicine, 103(4), 1998, pp. 209
A single optimal screening laboratory test for hemostasis would evalua
te vascular, platelet, coagulation, and fibrinolytic functions. Unfort
unately, such a test does not exist. The key factor in determining the
presence of a bleeding diathesis is obtaining a detailed patient hist
ory. 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 test
s.