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www.reference.com/health/normal-range-bnp-levels-73d3d...

The normal range for brain natriuretic peptide levels is zero to 99 picograms per milliliter, notes WebMD. This can also be converted to zero to 99 nanograms per liter. Brain natriuretic peptide is made in the heart and appears in the blood, states WebMD. When the heart works harder, it releases more brain natriuretic peptide.

medlineplus.gov/ency/article/007509.htm

Brain natriuretic peptide (BNP) test is a blood test that measures levels of a protein called BPN that is made by your heart and blood vessels. BNP levels are higher than normal when you have heart failure.

my.clevelandclinic.org/health/diagnostics/16814-nt-prob...

NT-proB-type Natriuretic Peptide (BNP) blood test. B-type natriuretic peptide (BNP) is a hormone produced by your heart. N-terminal (NT)-pro hormone BNP (NT-proBNP) is a non-active prohormone that is released from the same molecule that produces BNP.

www.healthline.com/health/bnp-test

BNP and another heart hormone, called ANP, work together to allow your blood to easily pass through and prevents clots from forming. A BNP test can be used to detect heart failure, but BNP levels ...

www.health.harvard.edu/.../bnp-an-important-new-cardiac-test

BNP is very helpful in diagnosing CHF. A normal BNP level is about 98% accurate in ruling out the diagnosis, freeing doctors to hunt for other conditions that may be causing shortness of breath or fluid retention. In most labs, levels below 100 picograms per milliliter (pg/ml) rule out CHF (the cutoff is 200 pg/ml for patients with kidney failure).

www.gpnotebook.co.uk/simplepage.cfm?ID=x20101014150323274950

a serum BNP level less than 100 pg/ml (29 pmol/litre) or an NTproBNP level less than 400 pg/ml (47 pmol/litre) in an untreated patient makes a diagnosis of heart failure unlikely the level of serum natriuretic peptide does not differentiate between heart failure due to left ventricular systolic dysfunction and heart failure with preserved left ...

healthtopquestions.com/bnp-and-nt-probnp-normal-range

In most cases, BNP and NT-proBNP levels are higher in patients with heart failure than people who have normal heart function. BNP and NT-proBNP are measured as a simple blood test to help diagnose and monitor heart failure. BNP and NT-proBNP test results provide different values. A normal level of NT-proBNP, the reference range is:

en.wikipedia.org/wiki/Brain_natriuretic_peptide

Brain natriuretic peptide (BNP), also known as B-type natriuretic peptide, is a hormone secreted by cardiomyocytes in the heart ventricles in response to stretching caused by increased ventricular blood volume. BNP is named as such because it was originally identified in extracts of pig brain.

www.webmd.com/heart-disease/heart-failure/bnp-blood-test

When you have heart failure, your heart makes two proteins. Your doctor will call them B-type natriuretic peptide (BNP) and N-terminal-pro-BNP (NT-pro-BNP). Levels of both in your blood go up when ...

labtestsonline.org/tests/bnp-and-nt-probnp

Tests for BNP and NT-proBNP measure their levels in the blood in order to detect and evaluate heart failure. BNP was initially called brain natriuretic peptide because it was first found in brain tissue (and to distinguish it from a similar protein made in the atria, or upper chambers, of the heart, termed ANP).