Cardiac
NT-proBNP
A heart-related marker released when the heart wall is under strain.
heartkidneyinflammationelectrolytes
About this biomarker
NT-proBNP is released in response to stretching of the heart chambers. It is commonly used in heart failure evaluation and monitoring.
Why it matters
It helps assess whether symptoms may be related to cardiac strain or fluid overload.
What lower levels may suggest
Low NT-proBNP makes major cardiac stretch or heart failure less likely in many contexts.
What higher levels may suggest
High NT-proBNP may suggest heart strain, fluid overload, or heart failure, though age and kidney function also affect it.
Common tests
NT-proBNP, BNP, heart failure evaluation panels
Related biomarkers
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