PIFA® HEPARIN/PLATELET FACTOR 4 RAPID ASSAY
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Qualitative diagnostic device designed for the detection of antibodies to Platelet Factor 4 (PF4) sensitized microspheres.
The PIFA® Heparin/PF4 Rapid Assay is based upon principles of the Particle ImmunoFiltration Assay (PIFA®) and provides confirmation of HIT. Dyed microparticles coated with purified Platelet Factor 4 (PF4) protein derived from platelet-rich plasma provide the visual signal for the results of the assay. The ability of matrixed or non-matrixed particles to move through a filter medium is the measure of the reactivity/nonreactivity of the test sample.