A B-type natriuretic peptide or brain natriuretic peptide (BNP), is a commonly performed blood test that is used to diagnose or rule out heart failure. Specifically, the test measures levels of the ...

Oct. 8, 2004 — Plasma brain natriuretic peptide (BNP, also known as B-type natriuretic peptide) levels are useful in the differentiation of dyspnea secondary to cardiac dysfunction and its precursor ...