A Haematocrit Corrected Micro Determination of the P&P-Test and Blood Clotting Factors in Capillary Blood

Abstract
Summary: A new micro test for the determination of the P &P-test, and the factors II, V, and VII is described. The advantage of the new test is the possibility to discontinue the separation of the erythrocytes and the plasma. It only presumes the determination of the patient’s haematocrit, which is considered in the dilution of the blood sample. The results are not influenced by different haematocrits. They give excellent information on normal and pathologic coagulation activities, what is shown in three different groups of patients varying with respect to their age and partially receiving phenprocoumarol.

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