Natriuretic Peptide Tests (BNP, NT-proBNP)

What are natriuretic peptide tests (BNP, NT-proBNP)? Natriuretic peptides are substances made by the heart. Two main types of these substances are brain natriuretic peptide (BNP) and N-terminal pro b-type natriuretic peptide (NT-proBNP). Normally, only small levels of BNP and NT-proBNP are found in the bloodstream. High levels can mean your heart isn’t pumping as … Read more