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©2013 UpToDate ® Print Email Serum ANP and BNP correlate with LV dysfunction Among 1252 subjects from the general population, median serum concentrations of N-terminal atrial natriuretic peptide (NT-ANP) and brain natriuretic peptide were significantly higher in those with left ventricular systolic dysfunction (LVD) as assessed with echocardiography. Among the patients with LVD, 77 percent were asymptomatic. Boxes are median concentrations and vertical lines are the ranges. Data from McDonagh TA, Robb SD, Murdoch DR, et al. Lancet 1998; 351:9.