Cardiac / Muscle
Also known as: N-terminal pro b-type natriuretic peptide, N terminal proBNP
Seek urgent care if you experience severe shortness of breath, sudden swelling in your body, or extreme fatigue, as these could be signs of worsening heart failure.
This test looks for a protein called NT-proBNP in your blood. Your heart makes more of this protein when it has to work harder to pump blood.
Your doctor orders this test to help figure out if you have heart failure. It can also help them decide if you don't have it. If you already have heart failure, this test helps your doctor check how you are doing.
Reference ranges for NT-proBNP can vary significantly by laboratory, and interpretation may depend on factors like age and sex.
Clinical Reference
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Educational purposes only — This information is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your lab results with your healthcare provider.