... product is based on the principle of sandwich immunoassay for determination of NT-proBNP in human blood specimens. ... the FIA8000 Quantitative Immunoassay Analyzer, the concentration of NT-proBNP is measured quantitatively and displayed on ... or hospital information system.Application Fields ER, ICU, Department of Cardiology, Laboratory, Pediatrics, Endocrinology, Oncology, Nephrology, Surgical ...