BNP / NT-proBNP Calculator
Estimate heart failure likelihood based on BNP or NT-proBNP levels.
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Interpretation & References
BNP:
- BNP < 100 pg/mL → Low probability of heart failure
- BNP 100–400 pg/mL → Intermediate
- BNP > 400 pg/mL → High probability of heart failure
NT-proBNP cut-offs vary by age:
- Age <50: <300 pg/mL
- 50–75: <900 pg/mL
- >75: <1800 pg/mL
Reference: Januzzi JL Jr, et al. Circulation. 2006;113:1596–1603.