Friday 12 May 2017

B-type Natriuretic Peptide (BNP) blood test: 
BNP is a substance secreted from the heart in response to changes in blood pressure that occur when heart failure develops or worsens. BNP blood levels increase when heart failure symptoms worsen, and decrease when the heart failure condition is stable. 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. BNP levels do not necessarily correlate with the severity of heart failure.

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