Table 2 Cut‐off values for BNP (derived from the BNP study⁴) and for NT‐proBNP (derived from the PRIDE and ICON study⁵) for the diagnosis of heart failure of patients presenting with dyspnoea.

	Rule‐out	Rule‐in
	HF unlikely	HF likely
BNP (pg/ml)	100	500
NT‐proBNP (pg/ml), age <50 years	300	450
NT‐proBNP (pg/ml), age >50 years	300	900