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. 2022 Jun 13;377:e068424. doi: 10.1136/bmj-2021-068424

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© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY. No commercial re-use. See rights and permissions. Published by BMJ.

This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http://creativecommons.org/licenses/by/4.0/.

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Fig 1 — N-terminal pro-B-type natriuretic peptide (NT-proBNP) thresholds for acute heart failure. Top left: negative predictive values of NT-proBNP concentrations to rule out diagnosis of acute heart failure. Bottom left: cumulative proportion of patients presenting with suspected acute heart failure with NT-proBNP concentrations below each threshold. Top right: positive predictive values of NT-proBNP concentrations to rule in diagnosis of acute heart failure. Bottom right: cumulative proportion of patients presenting with suspected acute heart failure with NT-proBNP concentrations above each threshold