Factor X Values as a Means to Assess the Extent of Oral Anticoagulation in Patients Receiving Antithrombin Drugs

Debra A. Hoppensteadt, Steven S. Kahn, Jawed Fareed

Clinical Chemistry · 1997 · 19 citations · 2 references

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Abstract

Each TAS PT-One test cartridge contains lyophilized thromboplastin from human placenta, calcium chloride, and buffers coated with paramagnetic iron oxide particles (PIOP). The citrated blood is added to the single-use test cartridge positioned within the TAS analyzer. A pulsating magnetic field is then initiated, causing the PIOP to move up and down. As the sample clots, the decrease in PIOP

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