Why the study?
Does B-type natriuretic peptide (BNP) testing accurately diagnose heart failure in emergency department patients with acute dyspnea?
Does B-type natriuretic peptide (BNP) testing accurately diagnose heart failure in emergency department patients with acute dyspnea?
BNP testing demonstrates moderate diagnostic accuracy for heart failure in ED patients with acute dyspnea, with cutoffs of <100 pg/ml useful for ruling out and >400 pg/ml for ruling in the diagnosis.
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Supports BNP <100 pg/ml to rule out and >300 pg/ml to rule in HF in ED dyspnea; confirms diagnostic utility in acute settings.
Korenstein et al. (2007) studied this question.
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