Partial thromboplastin time: Difference between revisions

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imported>Robert Badgett
(New page: In coagulation, the '''partial thromboplastin time''' is "the time required for the appearance of fibrin strands following the mixing of plasma with phospholipid platelet substitut...)
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Revision as of 14:26, 19 April 2010

In coagulation, the partial thromboplastin time is "the time required for the appearance of fibrin strands following the mixing of plasma with phospholipid platelet substitute (e.g., crude cephalins, soybean phosphatides). It is a test of the intrinsic pathway (factors VIII, IX, XI, and XII) and the common pathway (fibrinogen, prothrombin, factors V and X) of blood coagulation. It is used as a screening test and to monitor heparin therapy."[1]

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