Medical Dictionary

B-type natriuretic peptide

noun \ ˈbē-ˌtīp- \
variants: or brain natriuretic peptide

medical Definition of B-type natriuretic peptide

: a peptide hormone secreted mainly by myocytes of the cardiac ventricles in response to stretching of heart muscle
Note: An elevated level of B-type natriuretic peptide in the blood is indicative of heart failure.
  • The marked elevation of serum B-type natriuretic peptide, combined with the physical examination and radiologic findings, points to severe heart failure as the cause of the patient's clinical presentation.
  • —Melissa H. Kong et al.The New England Journal of Medicine6 Mar. 2008
  • … tests of brain natriuretic peptide can help determine a patient's chances of surviving a myocardial infarction or of having decompensated heart failure.
  • —Mike MitkaThe Journal of the American Medical Association15 Dec. 2004
abbreviation BNP

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