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B Type Natriuretic Peptide (BNP) Test Print E-mail

Dr. Kennedy BNP is secreted from the lower chambers (ventricles) of the heart in response to changes in pressure that occur when heart failure develops. The level of BNP in the blood increases when heart failure symptoms worsen, and decreases when the heart failure condition stabilizes. The BNP level in a person with heart failure, even someone whose condition is stable, is higher than in a person with normal heart function. The BNP level helps to diagnose heart failure, and distinguish it from other conditions that may cause similar symptoms. In addition, BNP helps the physician make decisions about hospitalizations, aggressive treatments, and future prognosis.

BNP levels below 100 pg/ml indicate no heart failure.

BNP levels of 100-300 suggest heart failure is present.

BNP levels of 300-600 pg/ml indicate mild heart failure.

BNP levels of 600-900 pg/ml indicate moderate heart failure.

BNP levels above 900 pg/ml indicate severe heart failure.

The information in this article is not meant to be medical advice.�Treatment for a medical condition should come at the recommendation of your personal physician.

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