Interactive worksheet
BNP/NT-proBNP Risk Tier Calculator
BNP/NT-proBNP Risk Tier: Explanation and Clinical Context The BNP/NT-proBNP Risk Tier is a validated system to classify patients according to the circulating levels of B-type natriuretic peptide (BNP) or N-terminal pro-BNP (NT-proBNP). These biomarkers reflect myocardial wall stress, ventricular overload, and cardiac dysfunction in conditions such as pulmonary arterial hypertension (PAH) and heart failure. Levels are